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Biology
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Explain how the human eye has both high sensitivity and high acuity.

The human eye has high sensitivity because many rods connect to a singular neurone, so many weak generator potentials combine to reach the threshold and trigger an action potential. The human eye has a hi...

AM
Answered by Anna M. Biology tutor
3823 Views

What is the structure and function of a nerve cell?

Nerve cells serve an important function in our bodies to relay information as electrical signals from the periphery to the central nervous system. Nerve cells are also called 'neurons' and can be as long ...

AH
Answered by Amelia H. Biology tutor
78062 Views

What is the difference between the lock-and-key model and the induced-fit hypothesis of enzyme action?

The lock-and-key model and the induced-fit hypothesis are two potential models for how substrates may bind in the active site of an enzyme. The lock-and-key model suggests that the substr...

PJ
Answered by Prachy J. Biology tutor
91036 Views

TMV can cause plants to produce less chlorophyll. This causes leaf discoloration. Explain why plants with TMV have stunted growth.

Chlorophyll gives plants coloration so a discolored plant would have a lack of chlorophyll. This means that less photosynthesis would occur in the leaves of the plant, so less glucose is made as a result....

NA
49473 Views

How does ATP store energy?

ATP has 3 phosphate groups. Their bonds are unstable and so have a low activation energy, which means they are easily broken. When they break by the addition of water during a hydrolysis reaction, they re...

LI
Answered by Lara I. Biology tutor
7310 Views

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