Biology, 30.09.2019 08:30 mcalepcrager
There will always be people with little self-discipline, who need security and certainly and protection against the burden of responsibility
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Biology, 22.06.2019 04:30
Why are scientists concerned about the depletion of the ozone levels in the stratosphere?
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Biology, 22.06.2019 12:10
Which number represents a basic ph, 4 or 9? numerical answers expected! answer for blank 1: i'll give
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Biology, 22.06.2019 13:00
Substances that can pass through cell membranes by diffusion include a. na ions. b. proteins c. glucose. d. oxygen.
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Biology, 22.06.2019 13:20
Choose the incorrect statement (a) the motor end plate membrane is only capable of generating graded potentials, but it is contiguous with the skeletal muscle sarcolemma, which can generate action potentials. (b) propagation of an action potential through the t-tubules into the sarcoplasmic reticulum triggers the release of ca++ into the cytoplasm of a skeletal muscle fiber. (c) the generation of suprathreshold endplate potentials in multiple muscle fibers could be due to the increased frequency of action potential generation at the axon hillock of a single motor neuron. (d) a greater amount of ach would be found in the presynaptic vesicles of a motor unit that fired several action potentials after exposure to botulinum toxin, than in a motor unit that fired several action potentials after exposure to the venom of the krait snake (which contains α-bungarotoxin).
Answers: 2
There will always be people with little self-discipline, who need security and certainly and protect...
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