What is a stimulus and explain how an organism’s ability to respond to a stimulus it survive?

To determine if a particular plant is homozygous or heterozygous, you would have to test cross with a

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.

Animals that have thick fur and ae able to store large amounts of body fat live where ?