In the desert white rabbits are more easily seen by predators than brown rabbits. the difference in color causes white rabbits to be eaten by predators more often than their brown counterparts. this causes white rabbits to have a lower population because they do not survive to reproduce as often as brown rabbits. this scenario is an example of

a.
variation in traits
c.
genetic drift
b.
heredity
d.
differential reproduction

Explain why phospholipid molecules form a bilayer. (3 marks)

How have high taxes on tobacco products impacted the number of people who use them? a. the number of tobacco users has increased. b. the number of tobacco users has decreased. c. the number of tobacco users has not changed. d. the number of adolescent tobacco users decreased, while the number of adult users increased

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.