During spermatogenesis, which of the following undergoes meiosis 2 to produce four haploid mature sperm cells? a) haploid primary spermatocyte. b) diploid secondary spermatocyte c) secondary spermatocytes

Why do carbohydrate molecules function so well as fuel for the body?

Agroup of plant cells was exposed to radiation, which damaged the chloroplasts and caused them to lose function. if the mitochondria were unharmed, what would happen to the overall function of the plant cells? a. the cells would not be able to make food, but would be able to release energy from biomolecules. b. the cells would not be able to replicate dna, but would be able to break down waste. c. the cells would not be able to break down waste, but would be able to replicate dna. d. the cells would not be able to release energy from biomolecules, but would be able to make food.

What was darwins theory of common decent