Biology, 31.01.2020 21:59 lovabletenthasan
Rank the sequence of events at the nmj that initiate an action potential in the muscle fiber, from first to last.- action potential arrives at the axon terminal.- acetylcholine binds to its receptors on the junctional folds.- calcium ions enter the axon terminal.- synaptic vesicles fuse to membrane of axon terminal.- junctional folds become depolarized.- action potential is initiated on the sarcolemma.- acetylcholine is released into the synaptic cleft.
Answers: 3
Biology, 22.06.2019 02:00
Choose one animal (cheetas) and research on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.
Answers: 3
Biology, 22.06.2019 08:00
Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. an incomplete dominance cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. purple offspring result. then, two of the purple offspring are crossed. according to the punnett square for this cross, how many of the offspring from the second cross will have a feather color that results from incomplete dominance? 1 in 4 2 in 4 3 in 4 4 in 4
Answers: 2
Rank the sequence of events at the nmj that initiate an action potential in the muscle fiber, from f...
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