Dietary treatment of galactosemia
A. need not begin until one or two months after birth.
B. requires a low protein diet.
C. can be discontinued by the age 10?12.
D. completely eliminates symptoms of the disease.
E. none of these.
E
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An atom is in its most stable state when
a. the number of electrons equals the number of protons. b. the number of neutrons equals the number of protons plus number of electrons. c. there are electron vacancies in the inner most shell. d. there are no electron vacancies in the outer shell. e. more than one of these is possible
Thyroid hormone
a. increases the resting metabolic rate of cells throughout the body. b. slows the heart rate and increases lipid metabolism. c. inhibits protein synthesis. d. increases glycolysis while decreasing oxidative phosphorylation. e. stimulates the release of ADH from the hypothalamus.
Four of the following statements about turtles are true. Which statement is false?
a. About 300 species of turtles currently exist. b. Turtles do not have teeth. c. Turtle shells are enlarged in marine forms. d. Turtles must return to land to lay eggs. e. Most sea turtle species are highly endangered.
What is different about the way that NADH and FADH2 donate electrons to the electron transport chain?
A. NADH is oxidized and FADH2 is reduced. B. More protons are transported into the intermembrane space of the mitochondria in response to one molecule of FADH2 as compared to the number of protons transported in response to one molecule of NADH. C. NADH contributes its electrons to the first transmembrane complex in the electron transport chain and FADH2 contributes its electrons after the first transmembrane complex. D. The electrons from NADH ultimately go on to reduce oxygen to generate water, whereas the electrons from FADH2 are used to reduce pyruvate to lactate.