What do proteins nucleic acids and carbohydrates all have in common? a. they all use peptide bonds to form macromolecules
b. they're all made of chains of amino acids
c. they all contain the instructions for building organisms
d. they're all formed from the same elements

Explain the difference between incomplete dominance and codominance

The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.

Describe characteristics of a good respitory surface