Molybdenum is required for the nitrogenase enzyme. Based on this, what plants that you learned about are likely to need the most molybdenum in their soil?
A. pitcher plants
B. arabidopsis
C. corn
D. legumes
Answer: D
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Why is human population genetic variation lower than the level of variation seen in other species?
A. Humans have a smaller population size than any other species. B. Humans have a larger population size than any other species. C. Human ancestral lineages are relatively old compared to other species. D. Human ancestral lineages are relatively young compared to other species. E. Humans have a much lower genetic mutation rate. F. Humans have much higher rates of gene flow than other species. G. Humans have a much lower birth rate and reproductive success compared to other species.
A series of markers have the following frequencies. Which would be the most useful for DNA profiling?
A) 1/60 B) 1/5200 C) 1/500 D) 1/40
Which of the following best (describes) defines substrate-level ATP synthesis?
A) An enzyme passes a high-energy phosphate to ADP resulting in ATP B) ATP is used to activate glucose for glycolysis C) An exergonic reaction is used to drive the synthesis of ATP from ADP plus phosphate D) Oxidation of a substrate results in a high energy bond E) ATP is synthesized from adenosine plus 3 phosphates
If most of the individuals of a human population are in their pre-reproductive years, you would expect the population size to ________ after 20 years
A) stay the same B) increase C) decrease D) decrease and then stabilize