Which of the following is a correct statement about pepsin?
A. It is manufactured by the pancreas.
B. It helps stabilize fat-water emulsions.
C. It splits maltose into monosaccharides.
D. It is activated by the action of HCl on pepsinogen.
E. It is denatured and rendered inactive in solutions with low pH.
D. It is activated by the action of HCl on pepsinogen.
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If you wanted to install lights to grow plants indoors, the type of light would you want to use is
A. gamma rays, because it has high energy wavelengths. B. visible light, because it has low energy wavelengths. C. microwaves, because it has low energy wavelengths. D. infrared, because it has high energy wavelengths. E. ultraviolet, because it has high energy wavelengths.
The main nitrogenous waste of freshwater fishes is:
a. ammonia. b. urea. c. uric acid. d. amino acids. e. purines.
Suppose that your mother and father both have cystic fibrosis, which is caused by a recessive allele. What are the odds of you having only one allele for the disorder?
a. 1 b. 1 in 2 c. 1 in 4 d. 0
Heat is ________ when a hydrogen bond breaks
Fill in the blank(s) with the appropriate word(s).