Identify which of the following statements are true about plant and animal cells. Select all that apply. a. Plant cells have chloroplasts.
b. Plant cells have one large vacuole, while animal cells have several smaller vacuoles.
c. Mitochondria can only be found in animal cells.
d. Cytoplasm can only be found in plant cells.
e. Plant cells have cell walls.

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.