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How are coenzymes used in the process of aerobic respiration?

Coenzymes contrary to their name aren't enzymes but are synthesised from vitamins. Their overall purpose is to bind to the active site of a specific enzyme to aid the binding of the complemenatry substrate, ...
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Answered by Sophie P. • Biology tutor
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State the difference between Apoplastic and symplastic pathways of water movement in plants

•Apoplastic- in cell wall and water moves by cohesion. •Symplastic- in cytoplasm and water moves by osmosis.
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Answered by Ethan B. • Biology tutor
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Describe the roles of calcium ions and ATP in the contraction of a myofibril (5 marks)

Calcium ions, which diffuse in from the sarcoplasmic reticulum, cause tropomyosin to shift which reveals the myosin binding site located on the actin filament allowing the myosin head to bind. A molecule of ...
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Answered by Molly Y. • Biology tutor
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What part do the kidneys play in homeostasis?

The kidneys can be split into 5 main sections. Firstly we have the glomerulus. Blood enters the kidneys via the afferent arteriole and then travels to the glomerulus which is just a cluster of capillaries. T...
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Answered by Nicole A. • Biology tutor
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How does the oxygen in the air reach respiring cells in humans?

Air is breathed in through the nose and the mouth. It makes its way down the trachea (windpipe) and enters into the lungs. The air enters into the small sacs of the lungs called alveoli which in a microscope...
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Answered by Rashaad K. • Biology tutor
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