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Biology
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How does Meiosis increase variation?

In the first stage of Meiosis 1 - Prophase 1, after the chromosomes have coiled and condensed they ay touch each other at points known as chiasmata, and Crossing Over occurs. This is where genetic info...

BC
Answered by Bobbie C. Biology tutor
11010 Views

How is an electrical impulse transmitted through the heart?

Contraction of the heart is myogenic meaning it initiates from within the heart muscle itself (myo=muscle, genic= created). Therefore, no extra nerves need to signal the heart t...

RZ
Answered by Rebecca Z. Biology tutor
18479 Views

Name the three components of a nucleic acid

pentose sugar and phosphate group backbone

nitrogenous base

GS
Answered by George S. Biology tutor
4276 Views

How do humans regulate their body temperature?

The hypothalamus in the brain controls the body temperature.

If the temperature gets too high:
receptors in the hypothalamus detect the change.
the heat loss ...

OH
Answered by Ollie H. Biology tutor
4522 Views

What are the differences between fast and slow twitch skeletal muscle fibres?

We have two types of muscle in our body with each having different properties, functions and distributions in the human body.

Fast twitch muscle fibres (also known as type...

JB
Answered by Jack B. Biology tutor
90574 Views

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