Top answers

How does the reflex arc work without going to the brain?

The reflex arc is designed for quick, reactive movements that are instinctive. E.g. when we touch a hot pan, we need to react quickly otherwise our hand will get really badly burned. If the signal went from ...
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Answered by Armaan G. • Biology tutor
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What is the best way to remember DNA replication?

Remember that DNA replication involves many enzymes in its process- and that you need to know their names and what they do!it is also useful to remember the mechanisms behind DNA replication, and how DNA str...
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Answered by Sophia B. • Biology tutor
10728 Views

Name 3 organelles found in animal cells.

Rough endoplasmic reticulum, Mitochondria, Golgi apparatus
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Answered by Darragh F. • Biology tutor
3083 Views

Explain the Bohr Effect?

CO 2 from respiring tissues diffuses into erythrocytes (red blood cells) where it reacts with water to form carbonic acid (process catalysed by the enzyme carbonic anhydrase). The carbonic acid dissociates i...
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Answered by Theresa E. • Biology tutor
10234 Views

Describe the secondary and tertiary structure of a protein

The secondary structure of a protein refers to the folding or coiling of a protein. There are 2 main secondary structures. 1) alpha helix – this is held by hydrogen bonds and forms a coiled spring shape (lik...
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Answered by Megan L. • Biology tutor
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