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vivado [14]
3 years ago
5

Which of the following correctly describes

Biology
2 answers:
Dafna11 [192]3 years ago
6 0

Answer:

B

Explanation:

Hope this helps! <3

butalik [34]3 years ago
6 0

Answer:

Im not sure fully if this is the right anwser and sorry if it isnt but i think its B

Explanation:

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What is apoptosis? A. The proliferation of cytotoxic T-cells. B. The receptor on a cytotoxic T-cell that recognizes MHC molecule
castortr0y [4]

Answer:

Option-C

Explanation:

Apoptosis is a genetically controlled process taking place in the multicellular organisms which is marked with the self-destruction called or programmed cell death.

During apoptosis various physiological and morphological changes take place in the cell such as fragmentation of nuclear DNA, nucleus, shrinkage of cell and mRNA decay.

Since apoptotic cell undergoes cell death which is genetically controlled or programmed by the genes, therefore, apoptosis is known as the programmed cell death.

Thus, Option-C is the correct answer.

8 0
4 years ago
How do scientists know that dark matter and dark energy exist even if we can not see them
Gre4nikov [31]

Answer:

We only know it's there because we can see the effect of its gravity. Scientists study dark matter by looking at the effects it has on visible objects. Scientists believe that dark matter may account for the unexplained motions of stars within galaxies. Computers play an important role in the search for dark matter information.

Explanation:

Hope That helps!

7 0
3 years ago
Describe the process that maintained a stable tasmanian devil population size before the appearance of dftd in 1996.
Vinvika [58]

Answer:

Prior to the appearance of DFTD, it was genetic variation and gene flow that were maintaining the population. Having more genetic variation and movement of genes between populations of Tasmanian Devils likely allowed them to avoid an inbreeding depression.

Explanation:

good luck

3 0
2 years ago
Territorial behavior does not extend to organisms of different species. Please select the best answer from the choices provided
umka21 [38]

FALSE

All organisms use this "mechanism" to defend their food and shelter. Birds protect their nest just like all other animals and they fight for food.

I hope this answers your question.

Please remember to rate my answer and comment if you have any questions.

6 0
3 years ago
What are the different components at Ecosystem?​
Katen [24]

Answer:

abiotic constituents, minerals, climate, soil, water, sunlight, and all other nonliving elements, and its biotic constituents,

Explanation:

7 0
3 years ago
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