A small part of the human Y chromosome contains the gene that is responsible for determining maleness. What is the name of this gene?
A) NRY B) Xist C) SRY D) medulla E) Dax
Answer: C
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A deficiency in a plant micronutrient
A. is less serious than a deficiency in a macronutrient. B. makes that plant susceptible to herbivores. C. can have a severe effect on plant growth. D. results in no visible symptoms. E. has no impact on the agriculture of a region.
A hole in the inner mitochondrial membrane means that there is a(n) __________ in the
concentration gradient of H+ ions.
a. increase b. decrease
Which of the following is mismatched?
a. sympathetic postganglionic fibers; release NE b. parasympathetic postganglionaic fibers; release NE c. parasympathetic preganglionic fibers; release ACh d. sympathetic preganglionic fibers; release ACh
Drupes have multiple seeds and fused carpels.
Answer the following statement true (T) or false (F)