SCIENCE ANSWER ASAP Which greenhouse gas has the greatest effect on climate?
carbon dioxide
nitrous oxide
water vapor
hydrofluorocarbons

The first amino acid of a new polypeptide chain is

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.

Which material is commonly used as a culture medium for living cells