Plasma is
A. a liquid ground substance containing dissolved proteins.
B. a dissolved ground matrix and a lining of epithelial cells.
C. a liquefied ground substance that includes several dissolved cells.
D. platelets, red blood cells, and white blood cells.
E. platelets and a watery ground substance.
A
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Aging may be detrimental to the function of the digestive tract because
A) the effects of cumulative damage become apparent. B) the rate of epithelial stem cell division increases. C) the tone of the smooth musculature increases. D) aged cells and tissues require more nutrients, but are less efficient at processing them. E) None of the answers are correct.
What gland coordinates the multifaceted stress response?
a. pineal b. thalamus c. hypothalamus d. pituitary e. adrenals
Match the vitamin with its function in the body.A. Required for the synthesis of clotting factors (prothrombin)B. Is a component of the coenzyme FADC. Promotes calcium and phosphorus useD. Involved in amino acid metabolismE. Primary constituent of coenzyme AVitamin K
Fill in the blank(s) with the appropriate word(s).
Which of the following is NOT posttranslational processing?
A. conversion of a pro-protein to a functional protein B. conversion of a pro-enzyme to a functional enzyme C. joining 2 or more amino acid chains D. adding polysaccharide side chains to proteins E. removal of introns from pre-mRNA