In the profundal zone of a lake or pond, the rate of photosynthesis exceeds the rate of respiration
Indicate whether the statement is true or false
FALSE
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You isolate a cell infected with an adenovirus. What are you most likely going to see when you examine the cell?
A) It is a bacterium. B) It is undergoing mitosis. C) Reverse transcriptase is present in the nucleus. D) It does not have a nucleus.
What situation results from a postfertilization barrier to reproduction?
A) mutations in genes that control development B) offspring that fail to develop C) mechanical isolation of a species D) gamete incompatibility
Which of the following is true about the North American diet?
a. Most of our protein comes from plant sources. b. Approximately half of our carbohydrates come from simple sugars. c. Most of our fats come from plant sources. d. Most of our carbohydrates come from fibers.
Vertical evolution arises fromSelect all that apply.
A. interspecies exchange of genes. B. gene duplication. C. bacterial conjugation. D. genetic mutations. E. sexual reproduction.