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How are proteins made in the cell?

Protein is transcribed from messenger RNA (mRNA) by ribosomes on the rough endoplasmic reticulum or ribosomes in the cytoplasm. This detects the start codon and moves along the mRNA 'reading' the bases on th...
JB
Answered by Jessica B. • Biology tutor
3248 Views

What is the difference between the sympathetic and parasympathetic nervous systems?

These are the two branches of the autonomic nervous system, which we have no conscious control of. The sympathetic system is responsible for 'fight and flight' responses, preparing the body for exercise or s...
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Answered by James B. • Biology tutor
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What is the purpose of myelin on a neurone?

The myelin on peripheral neurones come in the form of schwann cells. These schwann cells are essentially coils of fat that sit around the neurone and insulate it, this has two fundamental purposes. 1 - The f...
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Answered by Will H. • Biology tutor
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What is the difference between a prokaryotic cell and a eukaryotic cell?

Prokaryotic cells are smaller and more simple than eukaryotic cells. They do not contain membrane bound organelles such as mitochondria, endoplasmic reticulum and golgi apparatus. They also do not have a nuc...
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Answered by Abbie S. • Biology tutor
4771 Views

What is the process of phagocytosis

Phagocytosis is the non-specific engulfing and destroying of a pathogen by white blood cells known as phagocytes. On detecting foreign chemicals produced by a pathogen known as cytokines, the phagocyte will ...
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Answered by Katie R. • Biology tutor
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