Figures such as these
a) are used by epidemiologists in the assessment of a toxicant's effect
b) are used by scientists in risk assessment
c) are used to report the effects of a toxicant on wildlife populations
d) represent typical dose-response curves for endocrine disruptors
e) allow scientists to determine the exact quantity of a toxicant that will harm humans

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.

What do all of the above organisms have in common

Which fossil organism in whale evolution do you think was the first to live mostly in water? explain your claim with evidence and reasoning?