Answer:
Well im sure they do... maybe they dont use allot it though, like if they forget about some of the wood or they are done making a dam
Explanation:
The beaver becomes a nuisance when they interfere with man's use of the land. Dams can flood large areas of agricultural land or forest, roads can be washed out and cultivated trees and shrubs may be damaged or destroyed.
Can someone explain what polymers, monomers, and isomers are to me? What is the difference between isomers and polymers? Thanks, I'm studying for a test in about a week :)
Answer:
A monomer is a single unit of a substance (eg. Amino acid). A polymer is a chain of monomers (eg protein). An isomer is a molecule of an element with the same chemical formula but a different chemical structure (sucrose and maltose).
Explanation:
Answer these questions about making a yogurt.
1) why is the milk pasteurized at the start of the process?
2) Why is the mixture of milk and bacteria incubated at 45 °C?
3) what causes the milk to thicken?
4) why does fermentation eventually stop?
5) Explain how making yogurt is a way of preserving the nutrients from milk.
It should be noted that milk is pasteurized at the start of the process in order to kill bacteria.
The mixture of milk and bacteria is incubated at 45 °C to kill the bacteria.The drop in pH causes milk to thicken. Fermentation is stopped when the alcohol concentration rises to a point where it kills the yeast cells.Lastly, making yogurt is a way of preserving the nutrients from milk as the bacteria ferment the milk thereby turning the lactose sugars to lactic acids.
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reducing government spending and increasing taxes can prevent?
Answer:
yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy
how is the energy in food used in our body
Answer:
The human body uses the energy released by respiration for a wide range of purposes: about 20% of the energy is used for brain metabolism, and much of the rest is used for the basal metabolic requirements of other organs and tissues.
human sperm and egg cells that have 23 chromosomes are called
Answer:
The term haploid can also refer to the number of chromosomes in egg or sperm cells, which are also called gametes. In humans, gametes are haploid cells that contain 23 chromosomes, each of which a one of a chromosome pair that exists in diplod cells.
Explanation:
how does carbon move through the system when in the dark?
PLEASE HELP!!!!!
What happens to the original DNA strand after transcription?
Answer:
It changes its form
Explanation:
The DNA strand during this process is copied and "mutate" if I may use the word , the after the new copies are change to molecules that's why at the end of the day we have different blueprints
Photosynthesis reactants
Answer:
The reactants for photosynthesis are light energy, water, carbon dioxide and chlorophyll, while the products are glucose (sugar), oxygen and water.
please help this is for a presentation.. Is the spongy parenchyma cell unicellular or multicellular?
during which phase of mitosis are the spindle fibres formed around the sister chromatids?
Answer:
Metaphase
Explanation:
In prophase, spindle fibers start emerging from the centrosomes. In metaphase, the spindle fibers attach to the sister chromatids.
the protein that carries oxygen in our blood is known as
Iron is a component of hemoglobin, which enables it to absorb oxygen from the air we breathe and transport it throughout the body.
What is Hemoglobin?The iron-containing oxygen-transporting metalloprotein known as hemoglobin, often known by the abbreviations Hb or Hgb, is found in the red blood cells of almost all vertebrates as well as some invertebrate organs. The oxygen from the respiratory organs is transported to the rest of the body by hemoglobin in the blood.
The normal ranges for haemoglobin are different for males and females, and they also vary depending on the ethnicity of the population. Additionally, age is a factor, particularly for women.
When you have anemia, your body doesn't produce enough healthy red blood cells to supply your tissues with enough oxygen. Anemia, commonly known as low hemoglobin, can make you feel exhausted and frail.
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What is the name given to the process by which a parent cell becomes two identical daughter cells?(1 point)
A. meiosis
B. differentiation
C. senescence
D. mitosis
Answer:
D. mitosis
Explanation:
Mitosis is the process whereby the parent cell divides into two daughter cells that are identical.
Mitosis is the process by which a parent cell becomes two identical daughter cells. So, the correct option is (D)
What is mitosis ?Mitosis is the process in which cell duplication, or reproduction takes place. Wherein one parent cell gives rise to two genetically identical daughter cells. Mitosis is the duplication and distribution of chromosomes which carries the genetic information.
It is an important process in single celled eukaryotes as it is the mode of asexual reproduction. The main function of Mitosis is to produce more cells.
Life starts with single cell in multicellular organism which is formed from two gametes. Mitosis takes place one cell is divided into two cells as this single celled multicellular organism only carries genetic information in the form of DNA but not enough cells. These two cells further divide mitotically into four cells, then into 8 , then 16 and then 32.
It is essential to life because it give rise to new cells for growth and replacement of dead cells. It may take few minutes or some hours, depending on the type of cells. It depends on time, temperature and chemicals.
Thus, mitosis is the process by which a parent cell becomes two identical daughter cells. So, the correct option is (D).
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Food enters the human body through the _____ and leaves through the _____.
Check the statements below that provide evidence for the endosymbiosis theory
The DNA in the nucleus and mitochondria are the same.
This is not exactly true, although they are similar. This is not a correct option.
The following three are correct options:
Mitochondria and chloroplasts grow independently from the cell.
This is true, and supports the idea that they previously existed as their own organisms.
Prokaryotic cells, mitochondria, and chloroplasts are all the same size.
All three organisms/organelles are roughly the same size, which supports the idea that chloroplasts and mitochondria are descendants or prokaryotes.
Mitochondria and chloroplasts contain their own ribosomes.This is true as well.
The leakiest capillaries, which allow large substances and cells to cross the capillary wall, are called ________________.
Answer:
sinusoidal capillaries
Explanation:
What are characteristics of the left and right sympathetic trunks and ganglia?
Answer: Sympathetic trunks and ganglia are located immediately anterior! Hope This Helps! Happy Early Christmas! :D
Explanation: Sympathetic ganglia can be divided into two major groups, para-vertebral and prevertebral (or preaortic), on the basis of their location within the body. Paravertebral generally are located on each side of the vertebrae and are connected to form the sympathetic chain, or trunk.
Construct a Venn diagram that compares and contrasts sexual and asexual reproduction.
Include the following phrases:
haploid (n)
diploid (2n)
gamete
somatic
mitosis
meiosis
cell division
chromosomes separate
genetically identical
genetically different
The Venn diagram makes a comparison between categories. Intersection: Cell division/Asexual: diploid, somatic, mitosis, genetically identica/Sexual: haploid, gamete, meiosis, chromosomes separate , genetically different.
------------
A Venn Diagram is represented as two or more circles with some degree of superposition between them. It is used to make comparisons expressing similitudes and differences between things.
Each circle represents a category -in this example, sexual and asexual reproduction-.
The superposed area is named intersection and shows things in common between the two categories.
We already know that sexual reproduction occurs by the process of meiosis, while asexual reproduction occurs by mitosis.
In superior organisms, there are two types of cells: Somatic cells and germ cells.
The somatic cells are diploid (2n), meaning that each cell has a pair of equal chromosomes. The somatic cells are all the body cells except for the sexual ones, and they reproduce by the process of mitosis.
In somatic cells, one of the sets of chromosomes is inherited from the maternal side, while the other homologous set of chromosomes is inherited from the paternal side. Hence, the number of chromosomes in these double sets of the somatic cells is diploid, 2n.
Mitosis is a process through which, from a diploid somatic cell (2n), two identical daughter diploid cells (2n) are produced.
First, occurs duplication of the cell content, and then the separation into two new cells happens.
Germ cells suffer mitosis and meiosis.
Through meiosis, germ cells produce gametes, called sperm and egg cells, through the gametogenesis process.
Gametes are haploid (n) with half the number of chromosomes that might be found in the somatic cells.
During gamete formation, the pairs of homologous chromosomes separate after crossing over. Then, sister chromatids also separate. The result is the formation of four gametes.
Each gamete has different information from the combination of homologous chromosomes belonging to the father and to the mother.
Gametes' destiny is to merge in the process of fecundation, during which a new diploid cell called zygote emerges through fertilization.
The zygote is a complete cell that suffers successive mitosis to form the new organism.
Venn Diagram
Intersection area: Cell divisionAsexual: diploid, somatic, mitosis, genetically identicalSexual: haploid, gamete, meiosis, chromosomes separate , genetically different.--------------------------------------------------------------------------------------------------------
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To test a new drug that has the potential of curing people of the common
cold a company asked human volunteers who were coughing and sneezing
to participate in a clinical study. The objective of the experiment was to test
whether the new drug could cure the volunteers in the experimental group of
the common cold. But instead of two groups, these volunteers were randomly
divided into three groups and treated as follows:
Group
Experimental
Group
Yes
Control
Group 1
NO
Control
Group 2
No
New ONS
Orange
Bedre
Yes
No
Yes
Yes
Which of the following is the best explanation of why a second control group
was included in this experiment?
O A To prove that the common cold cannot be cured
B. To provide the volunteers in the study with something to drink
O C. To help researchers conclude that results are related to the new
drug and not to the orange juice
O D. To confuse anyone who is trying to steal their new drug and sell it
as their own invention
Answer: C
Explanation: A good experiment does everything it can to eliminate confounding, or the influence of external sources on the data being measured. Orange juice could be a factor that plays a role in curing the symptoms, so provide a group with and without orange juice gives you the ability to show that the influence of orange juices didn’t have an effect on the cold, or did, but it gives you a baseline to show the effects of the medicine with and without orange juices.
Which statement is not a part of the cell theory
Answer:
cells part such as chloroplasts are self-replicating.
Answer:
the answer is C hope this helps :) Please brainliest
Explanation:
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Which of the following is a possible consequence of solid pollutants in a lake or river?
O Build-up of garbage in freshwater
O Quick drop in dissolved oxygen
O Decrease in algae colonies
O Sudden hypoxic waters
HELP PLZ
Answer:
I believe it would be B.) Quick drop in dissolved oxygen
Quick drop in dissolved oxygen is a possible consequence of solid pollutants in a lake or river.
What is Biological Oxygen Demand?
Biochemical oxygen demand (BOD) is the amount of oxygen consumed by bacteria and other microorganisms while they decompose organic matter under aerobic conditions.
Solid pollutants in freshwater bodies like river and lake generally corresponds to organic wastes such as leaves, flowers and clothes which lead to increase in number of microorganisms in these water that further results in increase of BOD.
Drastic increase in microorganisms lead to drop in amount of dissolved oxygen in water, thus the possible consequence of solid pollutants in a lake or river is quick drop in dissolved oxygen.
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Write a title for each step of primary
succession
Answer:
The labels I-VII represent the different stages of primary succession. I-bare rocks, II-pioneers (mosses, lichen, algae, fungi), III-annual herbaceous plants, IV-perennial herbaceous plants and grasses, V-shrubs, VI-shade intolerant trees, VII-shade tolerant trees.
100 points, help yo boi out in Science, Giving brainy to best answer!!!!
Question 1 :
In one to two sentences, explain why low-pressure systems are associated with bad weather?
Question 2:
In 1–2 sentences, explain what biome comprises most of Antarctica and why the continent is described as being part of this biome.
Answer:
question 1
Low-pressure areas are places where the atmosphere is relatively thin. Winds blow inward toward these areas. This causes air to rise, producing clouds and condensation. Low-pressure areas tend to be well-organized storms
question 2
Scientists that work in Antarctica mostly refer to the majority of the continent as being cold desert or polar desert. The difference between cold and polar desert is very technical, mainly dealing with mineral salt chemistry.
Explanation:
hope this helps!
СН,ОН
-О
нс
Н
I—0—
он
он
Н
I-0—
ИТ
Н.
НОН
Functional groups
Answer: I don't have a definitive answer for this question but I do have a helpful explanation.
Explanation: Try to find out what each letter means and organize the elements by how they connect to each other. If you don't know you can research to find a diagram that can help show you how to connect these functional elements. You could try searching how do you find the elements of HOH in a diagram.
What describes a scientific theory
Answer:
A theory is a carefully thought-out explanation for observations of the natural world that has been constructed using the scientific method, and which brings together many facts and hypotheses. ... A scientist makes an observation of a natural phenomenon.Explanation:
Drew has invested in Iwad Records. He owns three par value $1,000 bonds from them, which are currently selling for 99. 773. He also owns 600 shares of Iwad Records stock, the current value of which is $5. 28 per share. If, when Drew made his investment, Iwad Records bonds had a market price of 94. 561 and stock in the same company sold for $5. 00 per share, which investment has increased in value more, and by how much? a. The value of Drew’s bonds has increased by $4. 83 more than the value of his stocks. B. The value of Drew’s bonds has increased by $9. 87 more than the value of his stocks. C. The value of Drew’s stocks has increased by $11. 64 more than the value of his bonds. D. The value of Drew’s stocks has increased by $34. 92 more than the value of his bonds.
The value of Drew's stocks has increased by $11.64 more than the value of his bonds.
outside of our moon which moon in the solar system is most studied
Answer:
Enceladus its a moon in saturn
When autotrophs produce more organic matter than they use in respiration tehre is anet increase in organic matter. That is called
A. Anaerobic repiration.
B. Diffussion.
C. Primary production.
D. Osmoregulation.
Answer: Primary Production
Explanation:
A net increase in organic matter seen when autotrophs produce more organic matter than they use for respiration, The hint was autotroph, an autotroph is always a primary producer, so there for it would be primary production.
which is the primary advantage to sexual reproduction over asexual reproduction?
Answer:
Sexual reproduction is typically advantageous over asexual reproduction because the environment is constantly changing. Sexual reproduction allows new combinations of genes to form. This greater genetic diversity increases the phenotypic variation: that is, it increases the physical variety of the organisms.
Explanation:
Help me this is 20% of my finals grade I know it’s a lot but I’m desperate!!!!
Onion root cell 3 is the closest to the completion of the cell cycle. Mitosis is
the type of cell division which involves the production of two identical
daughter cells.
Telophase is regarded as the final stage of mitosis before cytokinesis takes
place. In this phase, the chromosomes decondense and the spindle breaks
down.
There is also formation of two new nuclei of the daughter cells which are
separated by the newly formed nuclear membrane which is evident in the
onion root cell 3 thus making it the most appropriate choice.
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Ellen held a substance that is comprised of elements that have been chemically joined. The substance now has different properties than the elements that were joined to make it. Ellen is most likely holding a
a. compound
b. water molecule
c. single atom
d. mixture
Answer:
I'm going to go with a mixture sorry If this is wrong
Explanation: