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Describe the structure and function of a chemical synapse.

A synapse acts as a junction between cells - either between neurons, or between a neuron and a muscle or gland cell.

Although neurons transmit information via electrical signals, synapses...

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Answered by Beth S. Biology tutor
25053 Views

What different forms of RNA are found in a cell and what are their functions?

Messenger RNA, or mRNA, is used to carry or contain the information that DNA contains. DNA is too large to be carried out of the nucleus, so mRNA is used to transport the necessary inf...

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Answered by Beth S. Biology tutor
3215 Views

What are the differences between DNA and RNA?

1. DNA is double-stranded in the form of a double helix, whereas RNA is much more commonly found in single-stranded form.

2. The pentose (5 carbon) sugar found in DNA is deoxyribose, wher...

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Answered by Beth S. Biology tutor
3357 Views

Describe the process of transcription

Transcription is the process of transcribing the DNA code into another type of code or message - mRNA (messenger RNA). 

An enzyme called RNA polymerase binds to ...

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Answered by Beth S. Biology tutor
39963 Views

What is an enzyme?

Enzymes are proteins that are folded into specific shapes to allow for certain 'substrates', the other molecule involved, to bind. This area of binding is known as the 'active site', as it's where all ...

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Answered by Shauna M. Biology tutor
4007 Views

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