Which part of the amniotic egg stores the waste products produced by the embryo? a. chorion b. amnion c. allantois d. yolk sac

Study this image which statement best describes the rock shown check all that apply

Immature bone cells, or osteoblasts, manufacture a protein called osteoid as well as several hormones. because of this, we would expect osteoblasts to contain numerous a) nuclei. b) ribosomes. c) lysosomes. d) golgi bodies.

Nucleic acids offer variability because they contain alternate forms of genes called .