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Answers: 3
Biology, 21.06.2019 17:00
Which of the following statements is true of enzymes? a)they dont provide an active site for substrates to bind in a reaction b)they act on a specific type of substrate in a reaction c)they unusable after a reaction d)they change shape after a reaction
Answers: 1
Biology, 22.06.2019 09:00
The spermists believed that: the male made the only hereditary contribution to the offspring the male and female traits were blended in the offspring the female made the only hereditary contribution to the offspring the male and the female made equal contributions to the next generation
Answers: 1
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 Ī±-bungarotoxin).
Answers: 2
Biology, 22.06.2019 14:00
The polio virus can cause skeletal muscle paralysis by destroying neuron cell bodies. what area of the spinal cord is destroyed
Answers: 3
English, 25.12.2019 23:31
Mathematics, 25.12.2019 23:31
Geography, 25.12.2019 23:31
History, 25.12.2019 23:31
Physics, 25.12.2019 23:31
Mathematics, 25.12.2019 23:31
Mathematics, 25.12.2019 23:31
Mathematics, 25.12.2019 23:31
Physics, 25.12.2019 23:31
Mathematics, 25.12.2019 23:31