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Vera_Pavlovna [14]
2 years ago
7

Which best defines nitrogen fixation?

Biology
2 answers:
Neko [114]2 years ago
8 0

Answer:

A

Explanation:

I just know its a that's all

Doss [256]2 years ago
6 0
Pls mark me brainliest. The breakdown of nitrogen in the soil
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Which is a difference between the synaptic cleft and the synapse?
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Answer:

Synaptic cleft

Synaptic cleft may be defined as the space between two neuron and the gap between post synaptic and pre synaptic neuron. This is one of the component of synapse. The signals are transmitted in the form of chemical signal.

Synapse:

Synapse may be defined as the functional contact between two neurons and the gap between two consecutive neuron. This synapse consists of Presynaptic and postsynaptic membrane. The signals can be transmitted in form of electrical and chemical synapse.

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How are the products of photosynthesis useful to the plant itself
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How did the frequency of stimulation affect the amount of force generated by the isolated skeletal muscle when the frequency of
Alexxandr [17]

Answer:

When the frequency of stimulation of a muscle increases -without it having the opportunity to relax- a process called summation (addition) occurs, promoting an increase in the generation of force in the isolated skeletal muscle.

Explanation:

Summation is a phenomenon that occurs as a consequence of the arrival of successive stimuli that produce the contraction of the skeletal muscle before it achieves its partial or total relaxation, between subsequent stimuli.

<em>When the summation occurs in the muscle, the force generated on it increases its magnitude proportionally to the number of stimuli received, maintaining the muscle contraction in time</em>.

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Spatial summation in a post synaptic neuron brainly.com/question/9632682

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