Titer is the amount of ________ in serum.
A. antigen
B. WBC
C. memory cells
D. complement
E. antibody
Answer: E
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On its own, the product of the C group gene alone in Arabidopsis thaliana triggers
a. sepal development. b. stamen development. c. carpel development. d. petal development. e. stamen and carpel development.
Which of the following are never sink regions
for the pressure-flow translocation of organic compounds? a. growing leaves b. seeds c. fruits d. roots e. mature photosynthesizing leaves
Genes for self-incompatibility usually inhibit the:a
production of pollen grains. b. pollination. c. growth of the pollen tube. d. growth of the style. e. microspore formation.
A hypothesis to be tested using a data sample is known as:
A. the null hypothesis. B. the unbiased hypothesis. C. the true hypothesis. D. the population hypothesis.