Which monomer makes up a polypeptide? fatty acid phospholipid polyunsaturated fat amino acid

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?

What is one way intensive agriculture can contribute to climate change? a. tree loss to agriculture increases earth's albedo b. livestock manure absorbs greenhouse gases c. large herds of livestock release greenhouse gases d. fewer trees are available to replenish petroleum stores appex

What processes take place before the mature mrna exits the nucleus?