Which of the following is true of an endergonic reaction?
a. Endergonic reactions release energy.
b. Endergonic reactions require an energy input.
c. Endergonic and exergonic reactions are the same.
d. Endergonic reactions happen before exergonic reactions can begin.
b. Endergonic reactions require an energy input.
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Four of the five answers listed below concern
cells with two chromosome sets. Select the EXCEPTION.
a. zygote b. somatic cell c. spore d. diploid e. sporophyte
Until recently, most animal clones had serious health problems, such as ____
a. enlarged organs b. reduced brain size
c. trouble gaining weight d. enlarged organs and obesity e. reduced brain size and trouble gaining weight
Osteoporosis is enhanced by
a. deficient levels of calcium and vitamin D. b. lack of physical activity. c. smoking and excessive alcohol intake. d. excessive intake of cola drinks e. all of these.
A group of patients was seen on an emergency basis complaining of abdominal craps and watery diarrhea within 5 hours of attending a picnic in which ham, potato salad, and custard-filled pastries were on the menu. Which of the following is the likely cause of this disease?
A. Attachment and disruption of intestinal lining due to parasitic infection B. Bacterial colonization and toxin production C. Bacterial adherence and invasion D. Performed bacterial toxin E. Replication of virus that prevents reabsorption of water