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Olin [163]
3 years ago
5

Why is the cohesion of water important for biological systems?

Biology
1 answer:
Kobotan [32]3 years ago
7 0

Cohesion hold H Bonds together to create surface tension on water. And since water is attracted to other molecules it then sticks to other molecules.

hope i helped

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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>.

Tetany is the prolonged contraction of a muscle in an abnormal way, by the summation of stimuli received , as some bacterial toxins can produce. The summation can be temporary -when multiple stimuli reach the muscle in a determined time- or spatial, when the amount of stimuli activates a greater amount of motor units.

Learn more:

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

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Darwin observed that the finches on two different islands in the Galapagos belonged to the same family, but showed a lot of vari
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<span>This variation be justified by:
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3 years ago
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The ans consists of how many neurons in a pathway?
sergejj [24]

Answer:

The efferent pathways of the ANS consist of 2 neurons that transmit impulses from the CNS to the effector tissue. The preganglionic neuron originates in the CNS with its cell body in the lateral horn of the gray matter of the spinal cord or in the brainstem.

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2 years ago
Science help plz! Giving brainlist :D
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17. The SI unit for force is N.

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19. Average speed is the speed averaged over a span of time. Instantaneous speed would be the speed at any given instance during that span of time.

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Time = 40 sec.

So, acceleration (0 - 25) m/s / 40 sec.

Acceleration = -0.625 m/s^2
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What is special about the cell division that takes place soon after an egg cell is fertilized
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