Answer:
Km is the Michaelis-Menten constant which shows the concentration of the substrate when the reaction velocity is equal to one half of the maximal velocity for the reaction. It can also be thought of as a measure of how well a substrate complexes with a given enzyme, otherwise known as its binding affinity.
What are the major causes for moving air masses in North America? Choose the two that apply
Write two differences between the unicellular and multicellular organisms.
Explanation:
Unicellular organisms contain one cell and all of their functions are based on that one cell whereas multicellular organisms contain more than one cell and there functions are divided amongst different cells like nervous cells, cardiac muscle cells etc..
Unicellular organisms are composed of a single cellMulticellular organisms are composed of more than one cellSimple body organizationComplex body organizationA single cell carries out all necessary life processesMultiple cells perform different functionsThe total cell body is exposed to the environmentOnly the outer cells are exposed to the environmentDivision of labour is at the organelle levelDivision of labour is at cellular, tissue, organs and organ system levelIncludes both eukaryotes and prokaryotesIncludes only eukaryotes
Hello!!
How do tree grow??
Answer:
Tree branches/trunks grow as new cells are produced under the bark. Trees grow taller when new cells are produced at the tips of twigs, causing the twigs to grow longer. There are cells in the tree that carry water & food throughout the tree.
Binding of ________________ to receptors (ligand-gated) on the sarcolemma at the neuromuscular junction is vital for depolarization of the muscle fiber.
Answer:
Binding of ACh (acetylcholine) to receptors (ligand-gated) on the sarcolemma at the neuromuscular junction is vital for depolarization of the muscle fiber.
Explanation:
It allows acetylcholine to be released into this synapse when an action potential hits a neuromuscular junction. Acetylcholine attaches to the nicotinic receptors localized on the post-synaptic membrane of the muscle fibre's motor end plate, a specialized region.
Hence , the answer is ACh (acetylcholine) .
What is the effect of the color of light (red, green, or blue) on how high plants grow?
1) Identify the IV:
2) Identify the DV:
3) Identify important CVs:
4) Write a hypothesis (fill in the format below; refer to the short reading on the next page for ideas for the because):
If , then , because .
5) Write a procedure that would help answer the experimental question.
Materials Needed:
Answer:
Explanation:
anatomy
1) Which of the following terms describes the body's
ability to maintain its normal state?
Which organelle that plays a central role in the transport of new molecules from inside to outside the cell?
Answer:
The Golgi apparatus plays a central role in molecular transport after biosynthesis.
Explanation:
Transcription occurs in the nucleus during protein synthesis, followed by translation inside ribosomes. Then, new molecules join the endoplasmic reticulum to be folded and modified. In the Golgi, they are tagged and separated into lysosomes for export outside the cell.
The Golgi system comprises of several regions known as cisternae; they act as independent microenvironments where products requiring their own unique conditions are converted into new, stable biomolecules.
GIVING BRAINLIEST:)
during ecological succession the first organisms to enter an ecosystem for reestablishment are called pioneer species. Two examples of organisms that are pioneer species would be ____ and ____.
A. Miss and lichen
B. Shrubs and trees
C. Small animals and shrubs
Answer:
a
Explanation:
mosses and lichens.
Answer:
a
Explanation: Moss and lichen
Which organic molecule is made at the ribosomes?
Explanation: Briefly, the ribosomes interact with other RNA molecules to make chains of amino acids called polypeptide chains, due to the peptide bond that forms between individual amino acids. Polypeptide chains are built from the genetic instructions held within a messenger RNA (mRNA) molecule.
what is the meaning of cycle
n pea plants, the allele for round peas, R, is dominant over the allele for wrinkled peas, r. What is the phenotype of a pea plant with genotype Rr?
slightly wrinkled
round
some round and some wrinkled
wrinkled
please help me!!!!!!
Answer:
Smooth
Explanation:
Phenotype is how the plant looks. If we have Rr that means we have a dominant gene of smooth (R) . So this dominant gene covers the recessive gene so we can only observe the plant is smooth.
Pea plants having allele R dominant over the r wrinkled so this recessive mask by the dominant R and phenotype would be round, hence answer is option b round.
What is the law of dominance?The Law of dominance states that one allele having a dominant trait over the other allele will mask the trait of the recessive allele.
Round peas having genotype R and phenotype round and wrinkled peas having genotype r and phenotype is wrinkled, so in the next generation, the round trait will mask the trait of wrinkle.
In the next generation all the plants show dominant traits, their genotype will be Rr but showing phenotype round and not wrinkle or any other intermediate character.
Therefore round is the phenotype of a plant having genotype Rr, hence option b is correct.
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What region of the Earth's layers experiences the least amount of pressure?
Answer:
Crust Region
Explanation:
Crust region of Earth's crust experiences the least amount of pressure. Above the mantle, crust is situated. It is the Earth's hard outer shell.
What is the difference between the tissue and the organ?
Answer:
A group of cells working together is defined as a tissue and several tissues working together comprise an organ. ... The heart is used as an example of an organ which is made up from muscle and valve tissue.
Explanation:
A food handler reports to work with obvious yellowing of the eyes and skin. What should the person be checked for?
Answer:
Hepatitis A
Explanation:
Hepatitis A refers to a liver disease or infection that results in mild to severe illness in humans and it is typically caused by the Hepatitis A Virus (HAV).
Generally, the main cause of Hepatitis A is as a result of the ingestion of food or consumption of water that has been contaminated by the Hepatitis A Virus (HAV) or getting in direct contact with fluids from an infected person.
Some of the symptoms of Hepatitis A are loss of appetite, feverish conditions, itching, nausea, fatigue, diarrhea, dark-colored urine, malaise, abdominal pains, yellowing of white portions of the eyes and skin (jaundice).
Hence, if a food handler reports to work with obvious yellowing of the eyes and skin. The sickness or illness that the food handler should be checked for as an adult is Hepatitis A.
Hepatitis A is a viral infection, which affects the liver. The person with obvious yellowing of eye and skin should be checked for Hepatitis A.
Hepatitis A is a viral infection caused by the Hepatovirus A. The virus affects the liver, which may lead to mild to severe illness in the patient. The disease is caused by the consumption of contaminated food and water, personal contact with the infected person, and using used drugs with other persons.
Some of the symptoms of Hepatitis A are:
Yellowing of skin and eye stomach pain diarrheafevercolored stools and dark urineTherefore, the person should be checked for Hepatitis A as he exhibits the symptoms of the disease.
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PLSSS HELP!
What are three land-use practices that contribute to surface erosion by water?
Answer:
hi
Explanation:
IM A BIG DOG BIG BEAR NI- i cant say that...
Pls help i will mark you brainliest if you answer correctly i will give 30 points!!!
In your own words, explain how a person may taste the bitterness of PTC by using the
following vocabulary words in your explanation (choose any order): trait, gene, genotype, phenotype, and alleles.
Underline each word as you use it in your explanation. In this explanation, you can treat PTC taste sensitivity as a single-
gene trait.
Answer: PTC gene has two main alleles; one that codes for tasting and the other non-tasting. The allele for tasting determines a trait of tongue papillae that can bind the PTC molecules. Non-tasting allele forms papillae that are unable to bind PTC effectively. Therefore, the combination of these alleles in the genotype of a person determines their phenotype – PTC sensitivity.
Answer:
Individuals are often characterized as “tasters” or “non-tasters” of PTC, but there is some variability amongst tasters in how much bitterness they can detect. ... The ability to taste PTC is due changes in the TAS2R38 gene that affects the function of bitter taste receptors on the tongue therefore, the combination of these alleles in the genotype of a person determines their phenotype – PTC sensitivity.
Explanation:
How are P waves and S waves alike?
A.)They twist and distort solid objects
B.)They are both fictional particles
C.)They travel in the same manner
D.)They travel through solids
Answer:
I think the answer is D.
Why was the Cherokee writing system important?
Answer:Cherokee was one of the first American Indian languages to have a system of writing devised for it—a syllabary, so called because each of the graphic symbols represents a syllable.
Explanation:
Removing a specific group of trees within a small area over a long period of time is
a. clearcutting
b. seed tree cutting
C. group selection
d. single tree selection
Answer:
C. group
Explanation:
Removing a specific group of trees within a small area over a long period of time is group selection. The correct option is C.
What is group selection?A quantitative definition of group selection is when the average group fitness is greater or less than the mean of the fitness values of the individual members.
Another definition of group selection is when features evolve in accordance with the fitness (survival and reproductive success) of groups.
The conclusion was that although group selection is theoretically feasible, in practice it almost always favors one group over another.
Group selection is the long-term removal of a certain group of trees in a constrained region. In a clearcut, all the trees in a specific region are taken out at once.
The removal of shelterwood cutting clears an area's also clears land cleared for shelterwood cutting, which also involves cutting downing shelterwood cutting, but it is a completes a method of clearing
Thus, the correct option is C.
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I WILL GIVE BRAINLIEST Pretend you're riding the bus to school on a very cold and snowy day. List 3 different phases changes you might see along the way.
While riding the bus to school on a very cold and snowy day three different phases changes you might see along the way are mentioned below:
1. precipitation(the snow falling)
2. evaporation(water turning into vapor)
3. melting(snow turning the water)
What is precipitation, evaporation, and melting?Evaporation is the process in which liquid changes in vapour or gas and it can be easily observed during hot summer days when there is raining and when wet clothes dry in the presence of sunlight. Evaporation is directly proportional to temperature and when rate of evaporation increases the temperature also increases.
Precipitation is the water that is falling from the sky and it occurs when a portion of atmosphere becomes saturated with water vapour.
Melting is the process in which solid is converted into liquid like ice cube converted into liquid water and this is one of the example of melting.
Therefore, the mentioned below are three phases changes :
1. precipitation(the snow falling)
2. evaporation(water turning into vapor)
3. melting(snow turning the water)
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Which of the following statements is true?
Population density is number of individual organisms of a species living in a unit of area.
Water is not a limiting factor in an aquatic ecosystem.
An ecosystem can carry an unlimited number of organisms.
In a balanced ecosystem, there is no competition for resources.
Population density is number of individual organisms of a species living in a unit of area.
Answer:
A is the correct answer because
Explanation:
Population density is number of individual organisms of a species living in a unit of area.
I need help can someone plss help? It would mean alot
Answer: D Endoplasmic reticulum (ER)
Explanation: It moves proteins throughout the cell
What is an equinox and when does it happen?
An equinox is commonly regarded as the instant of time when the plane (extended indefinitely in all directions) of Earth 's equator passes through the center of the Sun. This occurs twice each year: around 20 March and 23 September.
Answer:
An Equinox is commonly regarded as the instant of time when the plane of Earth's equator passes through the geometric center of the Sun's disk. This occurs twice each year, around 20 March and 23 September. In other words, it is the moment at which the center of the visible Sun is directly above the equator.
Explanation:
Question
Type the correct answer in the box. Use numerals instead of words,
There are an estimated 12,600 spiders in a region of 525 square meters. How many spiders are there per square meter
Answer:
24
Explanation:
The population density of spiders is found by dividing the population size by the total area that the population occupies.
Answer:
Plato and Edmentum
Explanation:
Looking at a slide of axillary skin under the microscope, you notice the presence of ________ glands that are absent on slides of the scalp.
Answer:
apocrine
Explanation:
Which of the following fur colors are possible males? Choose all that apply Remember that the gene for white spots is on an autosome, and the gene on the X chromosome .
The fur colors which are possible are black, black and white, orange, orange and white.
What do you mean Autosome?An autosome may be defined as the gene in question is located on one of the numbered, or non-gender, chromosomes.
Here, the S genes for white spots are located on an autosome, while the O genes are located on the X chromosome. Hence, the resulting offspring possess the fur colors of black, white, and orange.
Therefore, the fur colors which are possible are black, black and white, orange, orange and white.
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The fur colours which might be viable are black, black and white, orange, orange and white.
Here, the S genes for white spots are positioned on an autosome, whilst the O genes are positioned at the X chromosome. Hence, the ensuing offspring own the fur colours of black white, and orange.
What do you suggest Autosome?An autosome can be described because the gene in query is positioned on one of the numbered, or non-gender, chromosomes.
Therefore, the fur colours which might be viable are black, black and white, orange, orange and white.
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A scientist conducted a study of an organism and found that its body cells contained 40 chromosomes. While conducting her observations, the scientist noticed that the cells were undergoing cell division. What difference would the scientist expect to observe between the body cells and the sex cells of the organism as they underwent cell division?
Body cells divide by mitosis for the growth and repair of cells, while sex cells divide by meiosis for sexual reproduction.
Body cells divide by mitosis for sexual reproduction, while sex cells divide by meiosis for the growth and repair of cells.
Body cells divide by meiosis for the growth and repair of cells, while sex cells divide by mitosis for sexual reproduction.
Body cells divide by meiosis for sexual reproduction, while sex cells divide by mitosis for the growth and repair of cells.
Answer:
The difference that the scientist would expect to see between body cells and sex cells with respect to cell division is that body cells divide by mitosis for the growth and repair of cells, while sex cells divide by meiosis for sexual reproduction.
Explanation:
The behavior of the different cell types with respect to their division depends on the functions that each type has.
Somatic cells are those that define the structure and function of the organism, forming tissues by binding together. The process of mitotic division —to obtain from an original cell two identical daughter cells— is important for the growth, development and repair of an individual's tissues.Sex cells or gametes have half of the chromosomal charge —they divide by meiosis, a reductive cell division— and are involved in the process of sexual reproduction.The characteristics described for each cell type explain why the other options are not correct.
Answer:
Body cells divide by mitosis for the growth and repair of cells, while sex cells divide by meiosis for sexual reproduction.
Explanation:
What is the “self”? When we say “myself” or “yourself” what are we referring to?
Answer:
when you say self you are to the body, so when you say myself you are basically saying my body, my awereness. And when you say yourself it means their body.
Explanation:
Answer:
yourself is said to another person and you say yourself mean you and my self also means you but not used the same way.
Explanation:
hope this helps.
Glad to help
Imagine that a biological anthropologist 10,000 years in the future is examining our fossil remains. The anthropologist notices that humans have broad incisors and molars with rounded cusps. How do you think the anthropologist would interpret these traits---what diet would these traits indicate
Answer:
They were frugivores
Explanation:
Frugivores are animals that mainly eat raw fruits, vegetables, roots, seeds, shoots, etc. Frugivores need to eat diverse fruits and succulent fruit-like vegetables to fulfill their nutritional requirements, although they can supplement this diet with flowers, nectar, small insects, etc. Among their adaptations for fruit consumption, frugivore teeth are clearly distinct, having broad incisors to peel tough fruit rinds. Moreover, these animals generally have long small intestines to digest the fruit.
plss answer it’s due in 5 min
Answer:
No they do not because the traits they have don't depend on their lives its the health they have.
Explanation:
Answer:
It can, because if the animal take example a bear was born with traits of short legs and small claws, he won't be able to run as fast or do as much damage to the prey if it caught up. then the bear will have a small chance of surviving due to the lack of food
Explanation: