Which of the following is an example of the
result of a beneficial mutation?
a. A new digestive enzyme that is better at
digesting cellulose.
b. A new digestive enzyme that is equal in its
ability to digest cellulose as the existing
enzyme.
c. A new digestive enzyme that is less
effective at digesting cellulose.
d. A new protein that interferes with the
digestive process.
e. A new protein that has no function
A
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All seed plants are homosporous
a. True b. False
Endotoxin is an exogenous pyrogen.
Answer the following statement true (T) or false (F)
Odds ratio testing:
a. can be used with any technique for phylogenetic inference. b. can only be used with the model-based frameworks of maximum likelihood or Bayesian inference. c. does not yield statistical significance levels. d. can determine how strongly our character data support a given feature of a phylogenetic tree. e. B and D.
Beside the distortion in the DNA backbone caused by a mismatched base pair, what additional mark is there on eukaryotic DNA to indicate which strand needs to be repaired?
(a) a nick in the template strand (b) a chemical modification of the new strand (c) a nick in the new strand (d) a sequence gap in the new strand