Suppose you are a scientist trying to people who cannot produce an enzyme needed for proper digestion. how could you use genetic engineering techniques to make transformed bacteria that produce the enzyme?

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.

Which of the following explains why a tree is often used as a model to represent the principle of common descent

Which structure in the cardiovascular system connect arteries to veins?