Answer:
B
Explanation:
Uracil replaces thymine so when you translate it you put each bases pair so for RNA uracil would replace adenine and guanine would replace cytosine.
Answer: desert .
_________________________________
I think it is D. You experience increase in breathing rate to obtain more oxygen which is delivered to cells through the bloodstream
Answer:
Variola virus.
Explanation:
Smallpox is caused by a virus named as Variola virus.
Answer:
B. Primary spermatocytes
Explanation:
The germ cell line is a group of cells found inside the seminiferous tubules. This germ cells undergo mitosis (creating spermatogonia) to have a steady supply of cells that will divide by meiosis to produce gametes. When spermatogonia divide by meiosis at the end of meiosis I the newly created cells are known as primary spermatocytes.
