A plant developed a mineral deficiency after being treated with a fungicide. What is the most probable cause of the deficiency?
A) Mineral receptor proteins in the plant membrane were not functioning.
B) Mycorrhizal fungi were killed.
C) Active transport of minerals was inhibited.
D) The genes for the synthesis of transport proteins were destroyed.
B
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Which one of the following is an advantage of using the fossil record to obtain information about our evolutionary history?
A. The fossil record gives us examples of the intermediate stages of evolution B. There is no advantage that the fossil record provides that DNA analysis doesn't also provide. C. The fossil record gives us the information necessary to define species. D. The fossil record gives us the information needed to confirm that the Neanderthals were the first bipedal humans.
What is an assumption of group selection?
A. infanticide B. lack of immigration C. no natural selection D. high rates of mutation E. resource prediction
In a monohybrid cross
a. only one trait is being considered. b. the parents are always dominant. c. the parents are always heterozygous. d. no hybrid is produced.
The carbon dioxide acceptor in the Calvin-Benson
cycle is a. phosphoglycerate (PGA). b. ribulose bisphosphate (RuBP). c. phosphoglyceraldehyde (PGAL). d. O2. e. NADP+.