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Biology
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What's the difference between a eukaryotic cell and a prokaryotic cell?

Eukaryotes have a plasma membrane, nucleus, nuclear membrane, nucleolus, smooth endoplasmic reticulum, rough endoplasmic reticulum, ribosomes, mitochondria, lysosomes, peroxisomes.

Prokaryotes do n...

ED
Answered by Elena D. Biology tutor
3809 Views

What are the different types of digestion, and where do they take place?

There are 2 types of digestion: mechanical digestion and chemical digestion. Examples of mechanical digestion are: chewing - in the mouth; and churning - in the stomach. Chemical digestion involved enzyme...

MW
Answered by Monique W. Biology tutor
4035 Views

How does the heart pump blood around the body?

The easiest way to think of the human heart is as 2 separate pumps in one loop. The first pump is the right side of the heart, which receives deoxygenated blood from the systemic circulation (the body). T...

AS
Answered by Alice S. Biology tutor
8896 Views

Describe how information passes from a relay neurone to a motor neurone. (3 marks)

An impulse stimulates the active release of a neurotransmitter from the relay neurone into the synapse. The neurotransmitter carrying the information from the relay neurone diffuses down the concentration...

IM
Answered by Isaac M. Biology tutor
27536 Views

Why does Maltase only catalyse Maltose?

Enzymes are proteins with specific tertiary structures. Part of this structure forms an active site. Only the substrate of an enzyme, in this case Maltose, fits/ binds to the active site. This forms an en...

GS
Answered by Georgia S. Biology tutor
17936 Views

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