According to paragraph 1, which of the following factors limits the abilities of populations within an ecosystem to survive? The frequency of reproduction of each species The number of organisms becomes too large Availability of space, shelter, food, and water Availability of a diversity of species​

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.