If a person inherits two X chromosomes, this individual will be
A) female.
B) male.
C) color-blind.
D) sterile.
E) a poly-X female.
Ans: A) female.
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Eye drops used by an ophthalmologist to dilate the eyes for an eye exam act on the nerves that control the ____
a. fovea b. lens c. ciliary muscle d. cornea e. iris
The process of phosphorylation
A. All of the answer choices are correct. B. may change the shape of the target molecule. C. adds a phosphate group to a molecule. D. removes a phosphate group from a molecule. E. may energize the target molecule.
Which statement about the Malpighian tubules is FALSE?
a. Water and some solutes are transported into the Malpighian tubules via active transport. b. The Malpighian tubules empty into the gut of the insect. c. Water, some salts, and other solutes are reabsorbed into the hemolymph in the rectum. d. The excretory system of an insect may contain up to several hundred Malpighian tubules. e. The blind ends of the Malpighian tubules are bathed in hemolymph
Severe vomiting or excess aldosterone production could result in
A. respiratory acidosis. B. metabolic acidosis. C. respiratory alkalosis. D. metabolic alkalosis.