The middle ear converts _____
A) air pressure waves to fluid pressure waves
B) fluid pressure waves to air pressure waves
C) air pressure waves to nerve impulses
D) fluid pressure waves to nerve impulses
A
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Which of the following yields carbon dioxide
during the breakdown of glucose in aerobic respiration? a. phosphoglycerate b. pyruvate c. oxaloacetate d. PGAL e. fructose bisphosphate
What is one main effect of auxins on plant growth?
A) They reduce growth by inducing leaves to fall. B) They increase growth by promoting cell elongation. C) They increase growth by increasing the rate of photosynthesis. D) Auxins have no effect on plant growth.
What is a triglyceride?
A) a lipid made of two glycerols, a fatty acid, and a phosphate group B) a lipid made of one glycerol and three fatty acids C) a polypeptide made of three amino acids D) a carbohydrate made of three sugars E) a lipid made of one glycerol and two fatty acids
What do you predict would happen if you replace the Lac operator DNA from the Lac operon with the DNA from the operator region from the tryptophan operon?
(a) The presence of lactose will not cause allosteric changes to the Lac repressor. (b) The Lac operon will not be transcribed when tryptophan levels are high. (c) The lack of glucose will no longer allow CAP binding to the DNA. (d) RNA polymerase will only bind to the Lac promoter when lactose is present.