The best answer should be A) because lower price means more quantity to have.
I believe for number 1 the answer is A 260
A. Citric acid cycle (Krebs cycle)
Yes, peas are haploid organisms. Only because they reproduce sexually
No, the vast majority of DNA mutations are not physically noticeable, and those that are noticeable physically are mainly cosmetic differences, such as a change in hair color, or heterochromia.