When a neuron is at rest,
a. there is a voltage difference across the membrane of about ?70 millivolts.
b. the interior is positively charged.
c. it is responding to a stimulus.
d. the fluid outside the membrane has more sodium and less potassium than the cytoplasm.
e. axons are firing at a faster rate.
D
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The pattern of leaf arrangement on a stem is called
A. protodermis. B. phyllotaxy. C. nodular termini. D. meristematic spacing. E. axillary arrangement.
Genetic recombination can occur ____
a. during DNA replication b. during asexual reproduction c. during mitosis d. from an Hfr X F- conjugation e. from an F+ X F- conjugation
Which of the following terms is LEAST related to the other terms?
a) oxygen. b) stomata. c) carbon dioxide. d) transpiration.
You just got a good look at the Loch Ness Monster! It's tail was waving from side to side. What can you conclude?
A. No conclusions can be drawn. B. It is likely a type of fish. C. It is likely a type of sea lion. D. It is likely a type of whale.