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Explain why a plant tip will bend towards a light source (2)

When a light source is shone at a plant, a hormone known as auxin travels to its shady side, which enables this side of the plant to elongate its cells and stretch. This results in the tip of the...

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Answered by Leo D. Biology tutor
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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
2406 Views

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). Sim...

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Answered by Leo D. Biology tutor
2092 Views

How should I structure essays in exams?

Before you launch into writing your essay, make sure you write a quick plan! This is one of the most important steps you can take in structuring your essay well, as it will make sure you are making severa...

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Answered by Katie M. History tutor
1428 Views

What are the four different intermolecular forces?

The four intermolecular forces (forces between molecules) are hydrogen bonding, permanent dipole–permanent dipole, permanent dipole–induced dipole and instantaneous dipole–induced dipole....

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Answered by Amaran V. Chemistry tutor
8100 Views

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