Answer:
Adenine binds to guanine.
Explanation:
Rules of the base pairing are:
A with T
Purine base, adenine (A) pairs with the pyrimidine base, thymine (T).
C with G
Pyrimidine base, cytosine (C) pairs with purine base, guanine (G).
<u>(Option A is correct).
</u>
<u>(Option B is incorrect).
</u>
Nitrogenous bases are positioned in the inside helix structure like the rungs of a staircase due to hydrophobic effect and are stabilized by hydrogen bonding.
<u>(Option C and D is correct).
</u>
D) Nuclear Reactions. I do not get cancer from my dog.
Answer: maintenance the health of the natural world. Through allocation,exploitation and protection
Explanation:
This involves the health state of the living organisms of the word :the vegaation, the aquatic organisms and ithe biodervasity.
