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Biology
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Describe the tertiary structure of a polypeptide

Tertiary polypeptide structure is overall 3 dimensional shape of protein which forms as a result of amino acid R group interactions such as ionic salt interactions and disulphide bridges. These interactio...

Answered by Sam M. Biology tutor
2110 Views

Explain and define the roles of producers, primary, secondary and tertiary consumers, and decomposers

Every organism has a tropic relationship in a food chain. Producers are at the bottom of the food chain and they are autotrophs, meaning they get their nutrition through sunlight via photosynthesis, for e...

Answered by Jessica B. Biology tutor
8315 Views

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...

Answered by Jessica B. Biology tutor
1881 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 o...

Answered by James B. Biology tutor
2613 Views

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.
...

Answered by Will H. Biology tutor
1945 Views

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