Four of the five answers listed below are related by a common theme. Select the exception
a. alcohol
b. thalidomide
c. German measles
d. vitamins
e. antibiotics
D
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Name the three components of phenotypic variance
What will be an ideal response?
Studies of a soybean plant (Glycine max) and the bacterium Bradyrhizobium japonicum have shown that the tip of a root hair curls toward the bacteria as a response to which of the following?
a. a flavonoid released by soybean roots b. nod gene products produced by soybean roots c. nod gene products produced by the bacterium d. nitrogen fixation by the bacterium
What is the ploidy of an organism that is 7n, where n = 5?
A) 5 B) 7 C) 12 D) 35 E) 57
Which of the following techniques amplifies a specific sequence of DNA?
a. PCR b. DNA sequencing c. Southern blotting d. cDNA synthesis e. DNA hybridization