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zavuch27 [327]
3 years ago
11

Why do some scientists believe that rna rather than dna was the first genetic material?

Biology
1 answer:
Minchanka [31]3 years ago
3 0
Certain<span> that </span>RNA<span> was the </span>first<span> molecule of heredity, so there for at the time RNA was the only thing people new that stored genetic information.                                                                                                                                                                                   hopes this helps

</span>
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Could receiving extra chromosomes happen to the tasmanian devil? Why or why not?
Kazeer [188]

Answer:

Yes, extra chromosomes can be received by the tasmanian devil.

Explanation:

Extra chromosomes can be received by the tasmanian devil due to tumor disease in the tasmanian devil. In the beginning the old genome of tasmanian devil has 13 chromosomes but with the tumor disease, it receives one extra chromosome and completed 14 chromosomes. Tumor occurs when the dead cells are not removed from the body and the new ones are formed.

7 0
3 years ago
Cells must be able to perform certain functions in order to survive. Which of the following must all cells do to survive?
Colt1911 [192]

Hello there, mate! Let's solve together:

With the end goal for cells to endure, they require supplements as glucose and minerals in addition to oxygen.

Moreover, they need to discard byproducts. Cells additionally depend on their organelles and dissemination for endurance.

Without oxygen, minerals and the evacuation of side-effects, cells don't endure.

3 0
3 years ago
Why does every one have cells
jeyben [28]
<span>Everyone has cells because these are the building blocks of life. These tiny particles that clump into groups that form tissues, organs, and organ systems are what makes organisms distinct from non-living things that exist on Earth. Where there are cells, life is present, and in its absence life cannot exist as we know of today. Cells are responsible for bringing different species of organisms that are found in different ecosystems all over Earth. They are tiny but in groups they are responsible for every living organisms that have existed through time.  </span>
7 0
3 years ago
Completely different organisms may have similar adoptions True or false
Tom [10]

Answer:

true

Explanation:

they may live in the same climate therefore needing the same adaption in order to survive and thrive

6 0
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To maintain the chromosome number of an organism the gametes must
klemol [59]

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7 0
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