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Biology
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Describe the structure of proteins

A protein is composed of polymers of amino acids, joined together by peptide bonds via condensation.A primary structure is the order of ...

Answered by Annabel L. Biology tutor
1934 Views

Describe how negative feedback is used to control blood glucose concentration

Blood glucose concentration levels fluctuates depending on what has been eaten and how much activity has been done. alpha and beta (B) cells in...

Answered by Catherine W. Biology tutor
3764 Views

Explain the process of inspiration in humans

The diaphragm flattens and moves downwards and the intercostal muscles contract, moving the rib cage up and out. This increases the space inside the thoracic cavity. This reduces the pressure because ther...

Answered by Charlotte G. Biology tutor
6186 Views

Explain how blood glucose levels are controlled and how this is an example of negative feedback mechanisms.

The pancreas detects rises in blood glucose levelsThis triggers pancreatic beta cells to secrete insulin, and inhibits alpha cells from secreting glucagonInsulin stimulates the uptake of glucose into cell...

Answered by Hannah L. Biology tutor
2523 Views

Name three modifiable and three non-modifiable risk factors of coronary artery disease.

Modifiable; SmokingObesity High cholesterol
Non-modifiable; AgeGenderRace

Answered by Hannah L. Biology tutor
2565 Views

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