are receptor cells contained in the retina and are useful in color perception, particularly in bright-light conditions.

Individuals do not compete directly for resources, but are prey for the same predator

Why does bubbling occur when vinegar mixed with baking soda

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.