Which phenotype(s) is/are commonly used to select for growth of Staphylococcus?
a. acid tolerance
b. halotolerance
c. psychrotolerance
d. all of the above
Answer: B
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Which of the following statements is NOT TRUE
concerning photosynthetic plants? a. They get carbon from the environment. b. They obtain energy from the environment. c. They make their own food. d. They provide food for others. e. They require no more than energy and a carbon source to make their food.
Female peafowl (peahens) prefer to breed with males (peacocks) that have the longest tails. However, the longer the peacock's tail, the less well he can fly and the more likely he is to be eaten by predators
Which of the following statements is TRUE? A) Both sexual selection and natural selection favor shorter tails in peacocks. B) Sexual selection favors longer tails, but natural selection favors shorter tails. C) Sexual selection favors shorter tails, but natural selection favors longer tails. D) Both sexual selection and natural selection favor longer tails in peacocks.
If you boil an egg for lunch, the egg white becomes hard, white, and opaque because the protein molecules have unfolded, causing them to stick together. This is an example of how heat ________ a protein
Fill in the blank(s) with correct word
Chemical reactions occur when substances undergo _________ to form new substances.
Fill in the blank(s) with the appropriate word(s).