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Biology
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Describe the factors which affect the rate of transpiration.

There are 4 factors which affect transpiration: Temperature, Light intensity, Humidity and Wind speed.As the temperature increases, the rate of evaporation and diffusion increases as the particles have mo...

Answered by Rayan K. Biology tutor
47952 Views

Describe the process of semi-conservative DNA replication.

Semi-conservative replication is the process of making two molecules of DNA from one DNA molecule, each containing one original DNA strand and one newly synthesised DNA strand. The original double helix i...

Answered by Joseph R. Biology tutor
14385 Views

What evidence proves that the Y chromosome determines maleness?

Evidence that the Y chromosome determines maleness can be proved through analysis of individuals with chromosomal abnormalities. For example, a female has XX and a male has XY, but an individual with an a...

Answered by Biology tutor
1827 Views

Why is it becoming more difficult to treat bacterial infections with antibiotics?

Due to random mutations occurring in bacterial DNA during replication of bacteria, a new strain of resistant bacteria is formed, which is capable of breaking down the antibiotic, so the infection is not c...

Answered by Tanvi M. Biology tutor
1941 Views

Explain the effect of a change in pH on enzyme action? (3 marks)

First step in answering this question is to read it carefully and determine what exactly is being asked:-we are being asked to give the reasons for the effect of 'pH change' only, not any other factors, s...

Answered by Shadha S. Biology tutor
4872 Views

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