One difference between heterofermenters and homofermenters is that heterofermenters
a. produce only lactic acid.
b. lack aldolase, so they cannot break down fructose bisphosphate.
c. produce more ATP per mole of glucose.
d. are gram-negative.
Answer: B
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Which lobe of the cerebrum controls movement and higher reasoning?
A. frontal B. occipital C. temporal D. parietal
A Barr body
A. is an inactive Y chromosome that produces reduced amount of gene products. B. exists within the cell in the form of heterochromatin. C. exists within the cell in the form of euchromatin. D. is an inactive X chromosome that does not produce gene products. E. Two of the above answers are correct.
You work for a company that manufactures food products. A new "wonder food" is being distributed by a rival company. The researchers in your company determine that the "wonder food" contains only carbon, oxygen, and hydrogen. At this point, your
researchers can say with certainty that the food A) includes proteins. B) could only be made of triglycerides. C) could only be made of carbohydrates. D) does not include proteins or nucleic acids.
Which of the following represents a form of intrasexual selection?
a. mate guarding by grasshopper males b. the increase of sperm density in bluegill sneaker morphs c. moth females using stored sperm in positive correlation to the amount of nuptial gift received d. "short-horned" (= female looking) forked fungus beetle males mating with females without engaging in fights with "long-horned" dominant males e. A, B, and D