<span> Enzymes are usually proteins but some also contain nucleic acids (RNA in particular) and the list of chemical reactions that are catalyzed by RNA has been expanding. So the answer is proteins.</span>
1. a sugar, a phosphate, and a base (such as Adenine.)
2. Deoxyribose
3. TCGAGTC, A pairs with T and G pairs with C
4. 55 adenines, 100-45=55
Answer:
Much change is due to random genetic drift rather than positive selection. Some are harmful and are likely to be eliminated by natural selection – by death of the embryo, for instance. ...
Answer:
A. the sun rotates at the same rate throughout
Explanation:
