A.NN and MN

B.MM and MN

C.MN and MN

D.MM and NN

A.They cannot be post-translationally modified.

B.Weak intermolecular forces keep them attached to the lipid membrane.

C.Detergents or nonpolar solvents are necessary to remove them from the membrane.

D.They span the entire lipid bilayer, sometimes multiple times.

A.Sharks and rays have vertebrae but lack a bony skeleton.

B.Birds are the only species that produce eggs with shells.

C.Only species with hair produce amniotic eggs.

D.Amphibians are four-limbed species but lack a bony skeleton.

A.Increases random mating

B.Exacerbates genetic drift

C.Increases genetic variability

D.Exacerbates natural selection

A.Energy is being stored.

B.Energy is being created.

C.Energy is being released.

D.Energy is being destroyed.