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kondaur [170]
3 years ago
13

An action potential does not re-stimulate the adjacent membrane that was previously depolarized because

Biology
1 answer:
Aliun [14]3 years ago
6 0

Answer:

E. that area of the membrane is in the absolutely refractory period.

Explanation:

Refractory period is a period during which neuron cell cannot be stimulated (depolarized). This is why the action potential can only travel in one direction from the neuron body towards axon.

Refractory period occurs because of the inactivation of voltage-gated sodium channels (while action potential is at its peak) which cannot be open for a certain period of time. and membrane cannot be depolarized.

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Answer:

Hi,

The correct answer option is B; A tapeworm latches itself in the intestines of a rat, feeding off all the nutrients eaten by the rat

Explanation:

In parasitism, one of the organism, the parasite lives in or on the other organism namely the host causing it harm and sometimes death.For example a tick that lives on dogs is a parasite.In this answer choice, the rat is the host whereas the tapeworm is the parasite.

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Relative age only tells us the order in which events occurred, from the earliest to the most recent. Knowing the actual date of an event allows us to say exactly how old something is or how long ago it actually took place.

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3 0
3 years ago
A species of fish evolved over thousands of years to have gills that allowed the fish to swim deep in the sea. What’s the effect
SIZIF [17.4K]

Answer:

Likewise, competition for food among deep-water fish that eat the same types of food will .

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