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
I'm pretty sure it's D, because I had something like this last week. but I'm sorry if it's wrong..
Answer:
C
Explanation:
protein with a slightly different sequence of amino acid would be made based on the B strand