Biology, 03.10.2019 03:50 lorelaistudent
Scientists group organisms into kingdoms by looking at specific characteristics. which is a characteristic of a carrot plant?
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Biology, 21.06.2019 19:10
Liquid water turns into water vapor at which step in the water cycle? a. precipitation o b. water run off c. evaporation d. condensation
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Biology, 22.06.2019 06:50
Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.
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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
Scientists group organisms into kingdoms by looking at specific characteristics. which is a characte...
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