The membrane structures that respond to chemical stimuli to produce sweet, bitter, and umami sensations are called
-G proteins.
-chemically-gated ion channels.
-gustatory hairs.
-voltage-regulated ion channels.
-papillae.
G proteins.
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The law of mass action states that ________.
A. enzyme activity is maximized when the amount of available substrate is at its highest B. reversible reactions will be driven from the side of higher to lower concentration C. reversible reactions will be driven from the side of lower to higher concentration D. enzyme activity is maximized when the amount of available substrate is at its lowest
Small molecules that bind with self-proteins to produce antigenic substances are called ________.
A) haptens B) antibodies C) ions D) reagins
Durophagy (eating hard-shelled prey, such as beetles or mollusks) appears as a dietary specialization among lizards, but it is rare among snakes. Why? What specializations of the teeth would you expect to find in durophagous lizards and in snakes?
What will be an ideal response?
________ carry the impulses generated by the stretch receptors in the walls of the urinary bladder to the sacral spinal cord.
Fill in the blank(s) with the appropriate word(s).