A channel that opens in response to changes in ionic charge across a membrane is called a ____
a. voltage-gated channel
b. ligand-gated channel
c. charge-gated channel
d. electric-gated channel
e. positive-gated channel
A
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The strongest chemical bonds are
A. hydrogen bonds. B. Van der Waal forces. C. hydrophobic interactions. D. ionic bonds. E. covalent bonds.
Glycolysis depends upon a continuous supply of
glucose and a. NADP. b. pyruvate. c. NAD+. d. NADH. e. H2O.
Which pressure equals atmospheric pressure during a pneumothorax, causing the lungs to collapse?
A) intrapleural pressure B) atmospheric pressure C) transpulmonary pressure D) rebound pressure (elastic recoil) E) intra-alveolar pressure
Competition among individual members of the same species is referred to as ________ competition
Fill in the blank(s) with correct word