Which of the choices below is not an essential role of salts in the body?
A) neuromuscular activity
B) membrane permeability
C) secretory activity
D) anabolism of proteins
D) anabolism of proteins
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You have just eaten a meal high in complex carbohydrates. Which of the following enzymes will help to digest the meal?
A) gastrin B) amylase C) cholecystokinin D) trypsin
When a single atom of one molecule trades places with a single atom of another molecule, the swapping is called a ________ reaction.
A. neutralization B. replacement C. degradation D. ionization
How does the effector restore homeostasis in a negative feedback loop?
A) The effector causes a rapid change in a variable. B) The effector increases and reinforces the initial stimulus. C) The effector opposes the initial stimulus and shuts off when conditions return to the normal range. D) The effector amplifies the response, but does not continue indefinitely.
Human egg and sperm are similar in that ________.
A) about the same number of each is produced per month B) they have the same degree of motility C) they have the same number of chromosomes D) they are about the same size