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Evgen [1.6K]
3 years ago
9

How is it possible that over 20 million living organisms on the planet are made up of only 5types of nucleotide bases arranged i

n long chains
Biology
1 answer:
ycow [4]3 years ago
8 0

The nucleotide bases are adenine (A), guanine (G), cytosine (C), thymine (T), and uracil (U). The bases combine with sugar to make them adenosine, guanosine, cytidine, thymidine, and uridine repectively.

The bases can be arranged in many different combinations and the genes in their long chains can have trillions of different combinations.

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marshall27 [118]
Graduating from high school this year makes me feel a bit sad. Biology was such a fun but crazy class.

Enough of my sentiments; I'm here to help, :-).

This answer is dependent upon what ecosystem you choose your project over.

So, abiotic factors are nonliving things in an ecosystem. Biotic factors are living organisms and anything alive.

For instance, if you choose a pond for your ecosystem then the water, soil, maybe trash would be abiotic factors. Some could argue there is living material within the water and soil but those abiotic factors are not alive. I mean water is not alive but it could be a home to biotic factors like microorganisms such as protozoans and worms. The grass and trees and animals around a pond would be biotic factors.

Hope you get the idea. if there's any questions then leave a comment and I'll help. Good luck!
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3 years ago
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Yuri [45]
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3 0
3 years ago
Which of the following organelles assembles proteins? ribosomes Golgi apparatus nuclear envelope or endoplasmic reticulum
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The right answer is Ribosomes

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Answer:

depends on what you`re asking

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