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What are the differences and similarities between animal cells and plant cells in terms of structure and function?

Animal cells and plant cells similarities: Structure Both animal and plant cells contain a nucleus, cytoplasm, cell membrane, mitochondria and ribosomes.Both animal and plant cells are eukaryotic (i.e. conta...
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Answered by Mariyum K. • Biology tutor
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Describe the process of a cardiac cycle.

Cardiac cycle is the contraction and relaxation of the heart to push the blood to the rest of the body. Systole = contraction (so, atrial systole means contraction of the atrium, ventricular systole means co...
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Answered by Yvonne L. • Biology tutor
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How do bacteria have a role in the nitrogen cycle?

This answer is best supported with a whiteboard All living things need nitrogen, but nitrogen gas is too unreactive for plants and animals to use directly. Bacteria's main role in the nitrogen cycle is to be...
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Answered by Katie D. • Biology tutor
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How does DNA replication work?

First, the DNA Helicase enzyme ‘unzips’ the two stranded DNA by breaking the hydrogen bonds present between the complimentary base pairs on the two opposing strands. Then this leaves two exposed strands, all...
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Answered by Tarek K. • Biology tutor
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How is an action potential transmitted across a cholinergic synapse?

Action potentials are depolarisations above the threshold level traveling along a neurone, communication often evolves the action potential being transmitted from one neurone to another, this is done via ner...
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Answered by Harry D. • Biology tutor
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