Why is sexual reproduction so important to many organisms? Pick the best answer from the choices below.

Select one:
a. It creates offspring from parents.
b. It creates egg and sperm cells.
c. It creates identical copies of organisms.
d. It increases genetic variation.

You have just sequenced a new protein found in mice and observe that sulfur-containing cysteine residues occur at regular intervals. what is the significance of this finding? it will be important to include cysteine in the diet of the mice. cysteine residues are required for the formation of α helices and β pleated sheets. cysteine residues are involved in disulfide bridges that form tertiary structure. cysteine causes bends, or angles, to occur in the tertiary structure of proteins.