The second-generation phenotypes would follow what ratio? (Pair the number with a phenotype in each case.)
What will be an ideal response
The second-generation phenotypes would appear in the following ratios: 9 fuzzy-longhaired, 3 fuzzy-shorthaired, 3 straight-longhaired, and 1 straight-shorthaired.
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The Na-K ion exchange pump actively transports
A) 1 intracellular sodium ion for 2 extracellular potassium ions. B) 2 intracellular sodium ions for 1 extracellular potassium ion. C) 3 intracellular sodium ions for 1 extracellular potassium ion. D) 3 intracellular sodium ions for 2 extracellular potassium ions. E) 3 extracellular sodium ions for 2 intracellular potassium ions.
What would be the effect on bone growth of insufficient dietary calcium?
A. There would be no effect, because the body is able to synthesize calcium. B. The matrix would be softer. C. The bone would be less flexible. D. The epiphyseal plates would ossify earlier in development. E. There would be increased formation of spongy bone.
All of the following arteries are located within the upper limb except the:
What will be an ideal response?
Postganglionic sympathetic axons release the neurotransmitter ________ at their effector junctions
A) acetylcholine B) nitric oxide C) norepinephrine D) acetylcholine or nitric oxide or norepinephrine E) None of the answers is correct.