For most of its approximately million year history, the human population has been in the ____ phase of population growth.
A. lag
B. exponential growth
C. deceleration
D. stable equilibrium
A. lag
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If a drug binds to a receptor, which normally triggers the opening of a Na+ channel, causing it to open in the absence
of neurotransmitter release, what is the most likely result?
a. an increased number of IPSPs b. an increased number of EPSPs c. a prolonged hyperpolarization d. a decreased number of IPSPs e. a decreased number of EPSPs
If you tagged organic carbon inside a chloroplast with a fluorescent label, the location most likely to have a high concentration of labeled carbon would be in the
A. Inside the thylakoid B. Stroma C. Thylakoid membrane D. Between the outer and inner membranes
The beating of cilia and flagella occurs by means of _______-based _______.
a. dynein; microtubule sliding b. kinesin; microtubule sliding c. myosin; microfilament sliding d. tubulin; microtubule contraction e. dynein; microtubule contraction
Which kidney structure consists of a cluster of capillaries surrounded by the Bowman's capsule?
a. medulla b. nephron c. glomerulus d. renal pelvis