Answer:
DNA is made up of a sugar phosphate backbone .
it has4 bases namely adenine ,thymine ,guanine and cytosine shortened to A T G C
adenine and thymine are connected by 2 hydrogen bonds and guanine and cytosine are connected by 3 hydrogen bonds
the two strands are anti parallel in nature ie, if one strand is from 3 to 5 the strand is from 5 to 3.. there are three types of DNA depending on the environment... they are adna bdna and zdna
Explanation:
hope it helps....
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A. Mass extinction is the answer
Protons are located C) in the nucleus with neutrons. Hope this helps!
Answer:
b
Explanation:
it is a 4 on the scale, I assume that's what you meant by the numbers.
Answer:
Role of epidermis in plants :
1. Protection of the underlying cells and tissues.
2. Prevention of water loss.
3. Prevention of mechanical injury and invasion by parasite fungi.
4. Absorption of water.
5. Exchange of gases and transpiration through stomata.
Hope u understood!
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