answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Novosadov [1.4K]
2 years ago
4

Hiking in the snowy woods, you peek inside a cave and encounter a hibernating grizzly bear! Its metabolic rate seems to be very

low. What do you predict is the predominant type of reaction occurring in this bear?
Biology
1 answer:
LuckyWell [14K]2 years ago
6 0

Answer and Explanation:

Dormancy is a period in an organism´s biological cycle in which its growth, development, and physic activity gets suspended for a period of time. This causes a drastic reduction in metabolic activity, allowing the organism to conserve its energy. Dormancy is closely related to environmental conditions, and it is considered to be an adaptation mechanism by which organisms respond to extreme conditions.

Hibernation belongs to this dormancy process, in which animals progressively decrease their metabolic rates and their body temperature is held a few degrees over the ambient temperature. During hibernation, all functions are reduced: cardiac rime, respiration, renal function, and etcetera.

Before hibernating, bears eat a huge amount of food because this energy is what will keep them alive while hibernating. This action is known as hyperphagia, and while doing it, bears accumulate fate in their tissues. As these animals need to maintain the energy balance and metabolic health, they make use of these reserves. The nutrients excess will turn into triglycerides, that the animal will use to store in the fatty cells. There are several elements involved in the process, such as sugar, amino acids, glycerol, among others.  

You might be interested in
Which biomes cross boundaries between different climate zones?
ahrayia [7]
Theres diffrent boundrys eivergant and sivergint
3 0
2 years ago
Transposons need to __________________ in order to limit their negative impact on the genome of the host cell. A. control their
nalin [4]

Answer:

The correct answer is B

Explanation:

Transposons need to regulate their copy number to avoid errors with chromosomal pairing during meiosis and mitosis such as unequal crossover.

A typical example of this error is called the Alu Sequence or Elements. Alu elements contain more than one million copies found everywhere in the genome of human beings.

Many inherited human diseases such as cancer are related to Alu insertions.

Cheers!

8 0
2 years ago
Cancer cells are rogue clones. List and describe three mutations that allow these cells to escape the normal restrictions placed
Amanda [17]
<span>Cells control cell division in order to maintain normal cell function. If something happens to the control of the cell division, the healthy cells will divide uncontrollably. These new cells are cancer cells. </span>
The mutations in three genes are responsible for development of cancers:
1. Mutation in proto-oncogenes. Proto-oncogenes normally signal cells to grow and differentiate. Proto-oncogenes can become oncogenes due to mutations which result in the uncontrollable division of the cells.
2. Mutation in tumor suppressor genes. In normal cells, tumor suppressor genes suppress genes essential for cell cycle and that way they prevent uncontrollable cell division. However, after a mutation in these genes, suppression is lost and the cell may progress to cancer.
3. Mutation in stability genes. In normal cells, they have no role either in cell death or growth, but they control mutation rate. Mutation in stability genes results in situation where all genes, including proto-oncogenes and tumor suppression genes, are more frequently mutated.
6 0
2 years ago
What is the difference in structure of the antennae and antennules?
kap26 [50]
<span>The difference in structure of the antennae and antennules is their size or length. Antennae are long sensory organs while antennules are short or small sensory organs. These organs are connected to the head of an insect, crab, or other animal and they are used for taste, balance, smell, touch, air motion and vibration</span>




3 0
2 years ago
Why does the cell use proteasomes or lysosomes to destroy misfolded proteins or proteins that are no longer needed? Destruction
vladimir1956 [14]

      That's right, what really happens is that the cell needs a "trash can", just like we do, because sometimes, things can go wrong along the process.

      The processes that the lysosomes can be involved are quite a lot, but the main one is the protein making. Why? Well, it's simple, there's a chance of mistake in each part of a protein our cells make through all the process, and when this happens, the cell recognizes it before this protein goes outside the cell, after this recognition, some flags are put in it to mark it.

       This mark will work in a way that the protein will go into the lysosome, and in a lysosome, there are several kinds of enzymes, so this protein can be degrated into little components again, the amino acids, and these can be used again in the process of making a new one. This is the process of recycling the protein, whether it's a misfolded protein or even the ones that the body won't need it for now.

7 0
2 years ago
Other questions:
  • In a certain plant, yellow leaves are dominant (Y) and red leaves are recessive (y). A plant with genotype Yy and a plant with Y
    5·1 answer
  • LeeAnn wants to organize her data from researching the effect of hours of sunlight on plant growth to see if there is a trend in
    8·2 answers
  • Describe the benefits to using tissue cultures to study medications used for treating cancer cells.
    9·2 answers
  • if carbon dioxide levels in the atmosphere double, which biome would be introduced in the Northwest territories
    10·1 answer
  • Tom wants to improve the amount of recycling in his city. Which initiative should he propose?
    14·1 answer
  • Kelley used to do three sets of squats one time per week. after three weeks she noticed she was less sore than when she started
    10·1 answer
  • Explain how the reproductive strategies of mosquitoes and elephants help them overcome the natural threats of their environments
    15·3 answers
  • 1. Please describe the signal transmission across a myoneural junction that allows the nervous system to move the muscles of a f
    13·1 answer
  • If a person consumed large quantities of deep yellow/orange or dark green foods that are dietary sources of carotenoids, the foo
    10·1 answer
  • What are the consequences to utilizing DNA technology in forensics? Check all that apply.A. Wrongful convictions as a result of
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!