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USPshnik [31]
3 years ago
6

What chemical makes up the rungs (as if it were a ladder)? lesson DNA

Biology
1 answer:
shepuryov [24]3 years ago
8 0
In DNA, the "rungs" between the two strands of DNA are formed from the nitrogenous bases adenine, thymine, guanine and cytosine
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Non-native species like kudzu, zebra mussels, and nutria experience _____ outside their native area due to a lack of natural pre
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Answer:

exponential growth

Explanation:

The organisms that are not native of a particular environment but are exposed to live in that particular environment are invasive species. Usually invasive species do not prove useful to the new area and prove harmful to the environment as well. There are some species of organisms that have been accidently introduced to new environment and have been accidently proven to be beneficial. Zebra mussels, being the native to Black Sea when arrived to North America flourished there.

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DedPeter [7]
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Which processes removes carbon dioxide from the environment?​
ArbitrLikvidat [17]

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4 0
3 years ago
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DanielleElmas [232]

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D.This process requires the interaction of several different cellular structures,

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The synthesis of proteins from the information in an mRNA molecule does require several structures in the cell, including the nucleus, ribosomes, endoplasmic reticulum and Golgi apparatus.

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Which of the following is a reason why cells divide? A.to maintain a surface area large enough to support their cytoplasm. B.to
Studentka2010 [4]
I think the correct answer from the choices listed above is option A. Cells divide in order to maintain a surface area large enough to support their cytoplasm. When they divide, their volume decreases which enables them to obtain enough nutrient and expel wastes.
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3 years ago
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