Physical science -
jeff puts on a leather jacket over his sweater. the sweater becomes negatively charged. which statements about jeff’s situation are true?
a. the sweater has a tendency to attract electrons.
b. the sweater has a tendency to attract protons.
c. the leather jacket has a tendency to attract electrons.
d. the leather jacket has a tendency to attract protons.
e. the leather jacket has a lower tendency to attract electrons than the sweater.

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.