Explanation:
At high altitudes, the air pressure and oxygen levels are lower than at sea level, which can make it difficult for the body to function properly. As a mountain climber, the extreme physical exertion you are experiencing can compound these effects, leading to a range of physiological responses in your body to maintain stability and performance.
One of the first responses your body has is to increase your heart rate and respiratory rate, which help to increase the amount of oxygen circulating in your body. This can also cause your blood vessels to constrict, which helps to maintain blood pressure and ensure that enough oxygen is reaching your organs and muscles.
Additionally, your body may start to produce more red blood cells to compensate for the lower oxygen levels in the air. This can help to improve your body's ability to transport oxygen from your lungs to your muscles, reducing fatigue and improving your overall endurance.
As you near the summit, your body may also start to release adrenaline and other stress hormones, which can help to increase your energy and focus, allowing you to push through the challenging conditions.
Overall, the physiological responses your body undergoes during high-altitude mountain climbing are complex and multifaceted, involving a range of mechanisms that help to maintain stability and performance under extreme physical exertion.
Pls state the jst the answers
Protein synthesis is the process of making proteins in two stages: transcription and translation.
What is protein synthesis and why is it important?The method by which proteins are created in biological organisms is known as protein synthesis. All of a cell's vital processes, including movement, structural support, chemical reactions, cell communication, and defense against pathogenic microbes and viruses, are carried out by proteins. Amino acids make up the molecules of every protein.
First, transcription uses initiation, elongation, and termination to move genetic material from DNA to mRNA. The freshly formed string of mRNA then exits the nucleus and joins a ribosome in the cytoplasm. This is the starting point of translation.
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The nerves in our spinal cord contain the necessary equipment to process our sympathetic and parasympathetic reflexes. What are these, and what do they do?
Answer: Your welcome!
Explanation:
Sympathetic reflexes are those that help to prepare the body for a “fight or flight” response, such as increased heart rate, increased respiration, and the release of adrenaline. Parasympathetic reflexes are those that help the body to relax and return to a resting state, such as decreased heart rate, decreased respiration, and the release of calming hormones. The nerves in our spinal cord are responsible for sending messages to the body in order to trigger these reflexes.
The classification system developed by Linnaeus in the early 1700s divided living organisms into plant and animal kingdoms. Today, that has been expanded into five kingdoms. Which of the following inventions was most responsible for creating the need for the additional three kingdoms and why?
The internet allowed scientists to easily discuss differences between organisms.
Genetic engineering created new species, which then needed new kingdoms.
Fossil fuel-based transportation made it easier to explore and discover new species.
Microscopes made it possible to learn more about single-celled organisms.
The invention of microscopes made it possible to learn more about single-celled organisms, which led to the need for additional kingdoms beyond the traditional plant and animal kingdoms. As microscopes improved, scientists were able to see the complexity and diversity of single-celled organisms, which they realized could not be adequately classified as either plants or animals. This led to the creation of the kingdom Protista, which includes a wide range of unicellular eukaryotic organisms such as algae, protozoa, and slime molds. The development of other kingdoms, such as Fungi and Monera, followed as scientists continued to study and learn about different types of organisms. Therefore, the invention of microscopes was most responsible for creating the need for the additional three kingdoms.
1. Which of these characteristics would classify an introduced species as being invasive?
A. They can be grown easily
B. They have many natural predators
C. They take away resources from native organisms
D. They tend to not survive well with changes to a new environment
Answer:
A
Explanation:
A species is said to be invasive when the rate at which it is spreading and multiplying is higher than expected causing a negative effect on the natives of the habitat
In domestic swine there is a dominant allele that produces a white belt around the body. Suppose a heterozygous belted pig and solid pig mate. What is the probability they will produce a solid pig? (7 pts) 1. What is the dominant trait? What is the recessive trait? Dom: Rec: 2. What letter is assigned to the dominant and recessive trait? Dom: Rec: 3. In order to be belted, what 2 GENOTYPES could the offspring have? 4. In order to be solid, what GENOTYPE must the offspring have? 5. What are the parent genotypes you are crossing? 6. What is the ratio of probability of getting a solid pig from this cross?
1. Dominant trait: white belt around the body. Recessive trait: solid color without a white belt.
2. Dom: W (for white belt). Rec: w (for solid color).
3. Offspring could have the genotypes Ww or ww to be belted.
4. Offspring must have the genotype ww to be solid.
5. Heterozygous belted pig: Ww. Solid pig: ww.
6. The parent genotypes are Ww (bB) and ww (bb).
The Punnett square for this cross would be:
The probability of getting a solid pig with genotype ww from this cross is 1/2 or 50%. The ratio of probability is 1:1.
the so-called piltdown man was once considered an unusual and perplexing human ancestor, but it turned out to be the jaw of a young orangutan attached to a homo sapiens skull. what dating technique exposed the piltdown fraud?
The dating technique that exposed the Piltdown fraud was fluorine absorption dating. Flourine absorption dating is a relative dating technique used to determine the relative age of bones from ancient humans or animals.
The technique compares the levels of fluorine in bone from the same site, determining relative age based on these comparisons. This dating technique was used to expose the Piltdown fraud.According to a study published in Nature on November 21, 1953, the Piltdown man was discovered to be a forgery due to fluorine dating techniques. They used fluorine dating, a method of analyzing how much fluorine has penetrated fossil bones since burial. They found that the Piltdown remains contained less fluorine than any of the other materials they examined. This evidence showed that the skull and jaw could not have been buried together and indicated that the pieces of the skull had been artificially stained to match the colour of the jaw.The Piltdown man is one of the most prominent hoaxes in the history of science. The skull had been discovered in the early 20th century in Sussex, England, and had been presented as a crucial missing link between humans and apes. The scientific community was fooled for more than 40 years, until it was discovered that the skull was actually a forgery, made up of the jaw of a young orangutan and a human skull that was less than 1,000 years old.Learn more about skull: https://brainly.com/question/1491477
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In a P generation of true-breeding tall plants that are crossed with true-breeding short plants, 100% of the F1 generation are tall. What does this suggest about short and tall alleles
If in a P generation of true-breeding tall plants that are crossed with true-breeding short plants, 100% of the F1 generation are tall, then this suggest that short is recessive while tall is dominant.
What are recessive and dominant alleles for a given phenotypic trait?Recessive and dominant alleles for a given phenotypic trait are those that are masked or masked respectively the expression of the feature.
Therefore, with this data, we can see that dominant alleles are able to mask a particular feature in heterozygous individuals as obtained after a line pure cross.
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Ancient organisms that lived during closer time periods were more alike than organisms that lived in widely separated time periods. What evidence in the fossil record most directly supports this scientific claim?
A
Most fossils are dated indirectly, by inference from surrounding rock that has been directly dated.
B
The rocks that fossils are found in can be examined in order to infer what environments certain organisms existed.
C
Fossils found in adjacent rock layers are generally more like each other than fossils found in widely spaced layers.
D
If the rock layers in a certain location have not been disturbed by tectonic or other movement, the lowest layer was formed before the layers above it.
Fossils found in adjacent rock layers are generally more like each other than fossils found in widely spaced layers evidence in the fossil record .
Option C is correct.
Which fossils can provide evidence of evolution?The remains or traces of ancient animals, plants, and other organisms that have been preserved are known as fossils. Fossils are crucial to the theory of evolution because they demonstrate that life on Earth used to be very different from what we see today.
What is the relationship between modern and ancient organisms?Evolution is the process by which modern organisms have evolved from ancient ones. Population change over time is evolution. There have been a lot of different explanations for how species change over time, but the ideas that Charles Darwin first put out are the foundation of modern evolutionary theory.
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individuals with peanut allergies can exhibit a variety of symptoms following exposure to the peanut allergen. these symptoms can include a runny nose, skin reactions such as hives, itching in the mouth and throat, digestive problems such as cramps, diarrhea or vomiting, and shortness of breath or wheezing. this variety of symptoms is a result of: group of answer choices the presence of high concentrations of monomeric ige in the circulation the presence of mast cells with pre-bound ige in all mucosal tissues the high concentrations of histamine present in pre-stored mast cell granules the simultaneous exposure of skin, oral mucosa, throat, and gastrointestinal tract to an ingested allergen systemic production of inflammatory mediators causing responses in many tissues
The process of peanut allergy is known as a type I hypersensitivity reaction, or an immediate allergic reaction.
The variety of symptoms experienced by individuals with peanut allergies is a result of the simultaneous exposure of multiple tissues (skin, oral mucosa, throat, and gastrointestinal tract) to an ingested allergen, which leads to systemic production of inflammatory mediators causing responses in many tissues. Peanut allergies are a type of food allergy that affects many people. Peanut allergies are caused by the immune system's reaction to proteins present in peanuts. This allergic reaction can be serious, and it can cause a wide range of symptoms, including life-threatening anaphylaxis. People who are allergic to peanuts should avoid them at all costs, as even a small amount of peanut protein can cause an allergic reaction. Individuals with peanut allergies can exhibit a variety of symptoms following exposure to the peanut allergen.During this reaction, the allergen triggers the production of immunoglobulin E (IgE) antibodies, which bind to mast cells and basophils in tissues throughout the body. When the allergen is encountered again, it binds to the IgE antibodies on these cells, causing the release of various inflammatory mediators such as histamine, which then produce the characteristic symptoms of an allergic reaction.The symptoms of peanut allergies include: Skin reactions such as hives, Itching in the mouth and throat Digestive problems such as cramps, diarrhea, or vomiting Shortness of breath or wheezing Runny nose The variety of symptoms that individuals with peanut allergies can exhibit following exposure to the peanut allergen is due to the simultaneous exposure of the skin, oral mucosa, throat, and gastrointestinal tract to an ingested allergen. When peanuts enter the body, they can cause reactions in many tissues, which can result in a variety of symptoms.Learn more about peanut allergies:
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Describe the effect ht epassage of the natinal forest manegment act in 1976 had on the trend in logging between 1980s and early 2000s
The effect passage of National Forest Management, Plans for renewable resource management are required. Limits on logging were imposed, and loggers were required to keep out of national forests.
The National Forest Management Act (NFMA) of 1976 (P.L. 94-588) is a United States federal law that was enacted in 1976 as an amendment to the Forest and Rangeland Renewable Resources Planning Act of 1974, which called for the management of renewable resources on national forest holdings. The statute was enacted in response to challenges concerning different national forest operations, notably wood harvesting. Members of the Point Baker Association on Prince of Wales Island filed the case Zieske v Butz over the US Forest Service's first environmental impact assessment.
The complaint halted harvesting on 400,000 acres of the island's northwest tip, prompting the forestry sector to ask for Congressional action to overturn the lawsuit. Congressman Foley stated on the floor that six additional actions with rulings identical to Zieske v Butz were impeding logging.
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Complete question:
Describe the effect the passage of the National Forest Management act in 1976 had on the trend in logging between the 1980s and early 2000s.
Compare the patterns of results from your Punnett square for Problem 1 on Student Sheet 5. 1 with the results from the Ocean/ Lucy cross in ""Gene Combo. "" Why are they similar?
The Punnett square for Problem 1 on Student Sheet 5.1 and the results from the Ocean/Lucy cross in "Gene Combo" are similar because both involve the inheritance of a single gene with two possible alleles: dominant and recessive.
In Problem 1 on Student Sheet 5.1, the gene in question is for flower color in pea plants, with the dominant allele (P) causing purple flowers and the recessive allele (p) causing white flowers. The Punnett square shows that when two heterozygous plants (Pp) are crossed, the resulting offspring have a 3:1 ratio of purple to white flowers, consistent with the laws of Mendelian inheritance.
In the Ocean/Lucy cross in "Gene Combo," the gene in question is for fur color in mice, with the dominant allele (B) causing black fur and the recessive allele (b) causing brown fur. The cross between two heterozygous mice (Bb) results in offspring with a 3:1 ratio of black to brown fur, again consistent with Mendelian inheritance.
Both the Punnett square and the Ocean/Lucy cross follow the same basic principles of Mendelian inheritance, with the dominant allele masking the recessive allele in heterozygous individuals. As a result, the observed ratios of dominant to recessive phenotypes in the offspring are predictable and follow a specific pattern.
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which feature does not apply to protists: group of answer choices they form a non-monophyletic group they form a monophyletic group they comprise many of the groups in the domain eukarya they are all eukaryotes they are mostly unicellular
They form a monophyletic group is not a feature of protists.
FeaturesThe first three kingdoms are well defined monophyletic groups, but the "Kingdom Protista" is not monophyletic; it comprises species that are more closely connected to members of other kingdoms than they are to other protists.An ancestral taxon and all of its offspring make up a monophyletic group, often known as a clade. A monophyletic group can be cut from the root with just one cut, but a non-monophyletic group requires two or more cuts.Humans, apes, and new world monkeys are an example of a monophyletic group since they all share the old-world monkeys as their most recent common ancestor.For more information on protists kindly visit to
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Computer crime first appeared in the 1970s. Soon after, special protocols of digital investigation and evidence were needed because _____.
cybercriminals were really smart
digital data could be altered in different ways from nondigital data
computers were becoming more powerful
the Internet was invented
Computer crime first appeared in the 1970s. Soon after, special protocols of digital investigation/forensics and evidence were needed because b. Digital data can be altered differently than nondigital data.
How computer crime first appeared?
Unlike traditional physical evidence, digital data can be easily altered or destroyed without leaving any visible traces, which makes it challenging to preserve and present it as evidence in a court of law. Therefore, special protocols of digital investigation and evidence were developed to address these challenges and ensure the integrity of digital evidence.
This need arose because of the unique characteristics of digital data, not necessarily because cybercriminals were smart or because computers were becoming more powerful. The invention of the internet also played a role in the growth of computer crime, but it was not the sole reason for the need for special protocols of digital investigation and evidence.
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Answer:
digital data could be altered in different ways from nondigital data
Major division and partsof the nervous system?
The nervous system can be broadly divided into two major divisions: the central nervous system (CNS) and the peripheral nervous system (PNS).
The brain and spinal cord make up the central nervous system (CNS), which is in charge of receiving and processing information from the body and producing reactions. The skull-based brain is where activities like consciousness, feeling, perception, emotion, thinking, memory, and voluntary movement are controlled.
The CNS communicates with the rest of the body through the peripheral nervous system (PNS), which is made up of all the nerves and ganglia outside of the CNS. The somatic nervous system (SNS) and the autonomic nervous system are two more subdivisions of the PNS (ANS).
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What is a difference between systemic and pulmonary circulation?
A.
Systemic circulation carries deoxygenated blood to the body and pulmonary circulation carries oxygenated blood to the lungs.
B.
Systemic circulation carries oxygenated blood to the body and pulmonary circulation carries deoxygenated blood to the lungs.
C.
Systemic circulation carries oxygenated blood to the lungs and pulmonary circulation carries deoxygenated blood to the body.
D.
Systemic circulation carries deoxygenated blood to the lungs and pulmonary circulation carries oxygenated blood to the body.
Answer:
It's B!
Explanation:
Systemic circulation carries oxygenated blood to the body and pulmonary circulation carries deoxygenated blood to the lungs. This is the main difference between the two types of circulation. Systemic circulation is responsible for delivering oxygen-rich blood from the heart to the rest of the body, while pulmonary circulation is responsible for carrying oxygen-poor blood from the heart to the lungs, where it can be oxygenated and then returned to the heart.
It is not option C because systemic circulation carries oxygenated blood to the body, not the lungs. It is not option A because systemic circulation carries oxygenated blood to the body, not deoxygenated blood. It is not option D because pulmonary circulation carries deoxygenated blood to the lungs, not oxygenated blood.
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Which demonstrates an insertion mutation of the sequence GGGCCCAAA?
a. GGGGCCAAA
b. GGGCCAAA
c. GGGAAACCC
d. GGGCCCAAAAAA
A black cow and white cow mate and make a gray cow, what type of inheritance pattern is this?
A gray cow and a white cow mate, what are the genotype and phenotype probabilities and what are
the ratios?
Answer:
50/
Explanation:
Invasive species have what affect on native populations when they exist in the same niche?
Answer: their population was affected
Explanation:
true or false mutations sometimes result in a non -adaptive trait?
true mutations sometimes result in a non -adaptive trait
How can a mutation give rise to a new trait?Genetic variations can be caused by gene variants (also known as mutations) or by a natural process in which genetic information is reorganized when a cell prepares to divide (known as genetic recombination). Different phenotypes can be introduced into an organism via genetic changes that modify gene activity or protein function.
Certain mutations, known as silent mutations, do not result in changes to the amino acid sequence of the encoded protein. Some mutations produce erroneous protein products. Mutations can add new alleles into an organism population, increasing genetic variety.
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Shortly explain the science behind gene therapy.
Explanation:
Gene therapy is a medical field that aims to treat genetic disorders by introducing or modifying genetic material within an individual's cells. The goal is to replace a missing or defective gene or to introduce a new gene to improve the function of a specific cell or tissue.
There are two main approaches to gene therapy: ex vivo and in vivo. Ex vivo gene therapy involves the removal of cells from a patient, modifying the cells outside of the body, and then re-implanting them back into the patient. In contrast, in vivo gene therapy directly delivers the genetic material to the targeted cells within the body.
Gene therapy can be achieved using various methods, such as viral vectors, which are modified viruses that can deliver the genetic material to cells. Other methods include using nanoparticles or directly injecting the genetic material into cells.
Although gene therapy has the potential to cure genetic disorders, there are still some challenges and risks associated with it, including the risk of immune reactions, unintended mutations, and the difficulty of delivering the genetic material to the appropriate cells. However, with ongoing research and development, gene therapy is becoming increasingly promising as a viable treatment option for a variety of genetic disorders.
Can y’all help me with number one please……
7. A. The possible genotypes and phenotype of offsprings produced would be : BB=blue,Bb= blue and bb= green.
B. The chances of a child having light blue skin would be = 75%.
C. The chances of a child with light green skin would be = 25%.
8. A. The possible genotypes and phenotypes for Mr. Krabbs children would be TT= tall eyes, Tt = tall eyes.
B. Yes, the hospital has made a mistake as it is not possible for children to have small eyes(tt).
What is a genotype?A genotype refers to the genetic makeup of an organism, which includes the particular combination of alleles (variant forms of genes) that an organism inherits from its parents. Genotype determines the traits and characteristics of an organism, such as its physical appearance, behavior, and susceptibility to certain diseases. The alleles that an organism inherits can be either dominant or recessive, with dominant alleles typically exerting a stronger influence on the phenotype (physical appearance) of the organism than recessive alleles. The genotype of an organism can be represented using letters to indicate the alleles present at a particular gene locus. For example, the genotype of an individual with two copies of the dominant allele for a gene might be represented as "AA," while an individual with one copy of each allele (one dominant and one recessive) might be represented as "Aa."
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The effect of genetic drift on a population that splits into two populations because of geographic isolation may be
A
emigration.
B
immigration.
C
divergent evolution.
D
convergent evolution.
The effect of genetic drift on a population that splits into two populations because of geographic isolation may be divergent evolution.
What impact does genetic drift have on a population?Alleles or genotypes fix in populations as a result of genetic drift. Drift removes alleles, which increases homozygosity and the inbreeding coefficient. In species that experience repeated cycles of extinction and recolonization, drift is presumably prevalent.
How does the divergence of two populations change as a result of genetic drift?Rare alleles may completely disappear, and the gene pool may also shrink. A population may eventually become genetically distinct from the original population as a result of such drift. Divergence, reproductive isolation, and ultimately speciation could result from this.
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What might the shape of the skull and the supraorbital height tell us about each species?
It describes the species' gender and its capabilities. It could also reveal the age of the species.
Australopithecus africanus is the species that the unidentified skull most closely resembles based on the activity. According on the data the measure of the undefined skull is almost little as the pan troglodyttes, while it's teeth resembled that of a humans. If the foramen magnum indicates the position of the spine in relation to the head, and thus whether the creature moved about on two legs or in another manner, then the position of the opening may indicate when our ancestors first adopted the upright, bipedal posture that is so frequently considered to be the hallmark of humanity.
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HELP EMERGCNY ILL MARK U BRAINLIST
Answer:
fish kills by industrial Waste
Explanation:
bc of all the trash on shores
Automatically
d) State the null hypothesis for the experiment in Figure 1. Provide reasoning to justify the
claim that the change in the amino acid sequence in the modified RNA polymerase affected the
shape of the active site on the enzyme.
The null hypothesis for experiment 1 is that the replacement of an amino acid will not affect the experimental strain's maximal elongation rate.
What is a null hypothesis in simple terms?Conjectures used in statistical tests, which are formal techniques for drawing conclusions or making decisions based on data, include the null hypothesis and the alternative hypothesis. The hypotheses, which are based on a sample of the population, are suppositions about a statistical model of the population.
The tests are essential components of statistical inference and are frequently used to distinguish between statistical noise and scientific claims when interpreting experimental data in science. "The null hypothesis is the assertion that is being tested in a test of statistical significance.
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What does a phenotype refer too?
O Genetic combination of alleles
A karyotype
Physical trait
A person's geneotype
phenotype refers to a person's physical characteristics /traits.
describe the main differences between bacterial and eukaryotic transcripts. drag the appropriate items to their respective bins.
Bacterial transcripts are single-stranded and produced by the polymerase enzyme. They are relatively simple, consisting of just the coding strand of DNA.
Eukaryotic transcripts are double-stranded and produced by the polymerase enzyme. They contain both the coding and non-coding strands of DNA and are much more complex than bacterial transcripts.
Bacterial transcripts - single-stranded, produced by polymerase enzyme, consists of just coding strand of DNA
Eukaryotic transcripts - double-stranded, produced by polymerase enzyme, contains coding and non-coding strands of DNA
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=
7. Which is not a similarity between how
plants and animals use energy?
O Both plants and animals change food into
energy in the mitochondria.
O Both plants and animals require energy to
survive.
O Both plants and animals eat food and turn
it into energy.
O Both plants and animals break down food
into energy.
Answer:
Both plants and animals eat food and turn it into energy.
Explanation:
Plants cannot eat food because they use photosynthesis to make it, and they use the sun as one of the ways to get energy and not eating food.
What do you notice when the ripples reach the edge of the large container? What landform is this like? How does the small container change what the ripples do? Explain how the “barrier island” in your model protects the section of large container behind it.
The beach may extend over the mouth of a shoreline depression, such as a bay or estuary, away from the mainland due to landform longshore drift.
How do barrier islands develop?As waves regularly deposit silt parallel to the shoreline, barrier islands are formed. These islands constantly move, erode, and grow as wind and waves change in response to local weather patterns and physical factors. They may perhaps totally vanish.
What are the fundamental components of a barrier island?who proposed that a barrier island be viewed as the focal point of a much broader barrier island system made up of six major components: mainland, back-barrier lagoon, inlet and inlet deltas, barrier island, barrier, and barrier
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Human body cells each have 46 chromosomes in their nuclei. Meiosis is necessary in order to ensure that each gamete produced has-
Answer: 23 chromosomes
Explanation: Therefore, meiosis results in four haploid genetically unique daughter cells, each with half the DNA of the parent cell (Figure below). In human cells, the parent cell has 46 chromosomes (23 pairs), so the cells produced by meiosis have 23 chromosomes.
Answer:
23 chromosomes due to the fact that they are to come in pairs and 46 divided by 2 is 23