Biology, 14.11.2019 02:31, christabell0303
Kinesin-1 motors can move long distances on microtubule tracks without dissociating. by contrast, myosin ii motors in skeletal muscle take only one or a few steps before letting go. what is most likely the difference between these two motors that allow two different types of movement?
o differences in length of the stalk of each respective motor allow for differences in step size.
o differences in atp versus gtp hydrolysis alter the motor head movement along filaments.
o actin filaments are smaller in diameter and have less space for movement.
o binding affinity of the kinesin-1 motor head to microtubules is high, whereas binding affinity of the myosin ii motor head to actin filaments is low.
o microtubules are larger in diameter and have more space for movement.
Answers: 1
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If the rna molecule in a human has the nucleotide sequence of guu, this would the amino acid valine would be needed to make the protein. how would this cha process was occurring in a mushroom?
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Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.
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Kinesin-1 motors can move long distances on microtubule tracks without dissociating. by contrast, my...
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