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Briefly describe the bonding between Adenine and Thymine units (1)

The bonding between adenine and thymine consists of two hydrogen bonds between each unit(The way I like to remember this is that the Walker vehicles from Star Wars are known as 'AT AT's)
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Answered by Leo D. Biology tutor
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Explain why short bursts of anaerobic exercise is possible (in mammals), but impossible at longer durations? (4)

In the absence of oxygen, the anaerobic glycolysis pathway can occur, which produces roughly 1/15th of the normal yield of ATP from aerobic respiration, as well as two molecules of NADH (reduced NAD). Simila...
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Answered by Leo D. Biology tutor
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How is starch digested?

Starch is a polysaccharide- a chain of maltose sugars bonded with glycosidic bonds. Digestion begins in the mouth by the mechanical breakdown of starch as the teeth increase the surface area for enzyme actio...
Answered by Biology tutor
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Could you name and describe the different stages of the mitotic cell cycle?

The different stages of the mitotic cell cycle comprise prophase, metaphase, anaphase and telophase. Prophase: Condensation of the chromosomes and the mitotic spindle begins to form. The spindle is composed ...
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Answered by Jessica A. Biology tutor
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Describe how the ultrastructure of the glomerulus and Bowman’s capsule facilitate ultrafiltration.

The filtration barrier between blood and filtrate comprises of 3 main structures: fenestrated endothelium of the arteriole, glomerular basement membrane and specialised cells called podocytes with slit diaph...
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Answered by Zuzanna B. Biology tutor
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