All of the following are true concerning enzymes except that they
A) are proteins.
B) function as biological catalysts.
C) lower the activation energy required for a reaction.
D) affect only the rate of a chemical reaction.
E) are consumed during the reaction.
Answer: E) are consumed during the reaction.
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The ________ artery supplies the ileum, cecum, and appendix.
Fill in the blank(s) with the appropriate word(s).
Injections that are administered into the tissues of the skin are called
A) hypodermic. B) intramuscular. C) subcutaneous. D) intradermal.
More blood will flow into a capillary bed if
A) the precapillary sphincter is constricted B) the precapillary sphincter is dilated C) blood pressure decreases D) the blood osmotic pressure increases
Spinal nerves extend from the spinal cord, whereas ________ nerves extend from the brain
Fill in the blank with correct word.