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Biology
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A myelinated axon conducts impulses faster than a non-myelinated axon.

  1. In myelinated axons, there is action potential/depolarisation only at the nodes.

  2. In myelinated axons, the nerve impulses jump from node to node, therefore there is saltatory co...

CH
Answered by Carmen H. Biology tutor
5112 Views

Some babies are born with a hole between the right and the left ventricles. These babies are unable to get enough oxygen to their tissues. Suggest why.

This question is an example of the 'suggest' questions that are asked. 'The hole is due to the failure of the foramen ovale to close. As a result, oxygenated blood from the left ventricle mixes with deoxy...

LH
Answered by Lamis H. Biology tutor
10121 Views

How is blood glucose controlled in homeostasis?

Blood glucose concentration is controlled mainly by the pancreas. If there is a rise in blood glucose concentration the pancreas will detect this and the beta cells will secrete insulin. At the same time ...

AP
Answered by Anushri P. Biology tutor
3118 Views

What happens during mitosis?

Mitosis consists of four stages: prophase, metaphase, anaphase and telophase. During prophase, the chromosomes that have already been replciated during interphase become condensed, making them visible und...

VG
Answered by Valentina G. Biology tutor
10515 Views

How does the kidney produce concentrated urine?

There are various mechanisms by which the kidney produces concentrated urine. The most important of these are the loop of Henle and the role of ADH, anti-diuretic hormone. Let's examine each of th...

AH
Answered by Amy H. Biology tutor
24174 Views

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