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What is the main gas in bacteria produced biogas?

Methane.
AA
Answered by Aya A. • Biology tutor
2327 Views

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 more ...
RK
Answered by Rayan K. • Biology tutor
65547 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 cure...
TM
Answered by Tanvi M. • Biology tutor
2870 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, so o...
SS
Answered by Shadha S. • Biology tutor
5944 Views

How does phototropism occur?

Auxin is a growth hormone in that is found in plants. When it is released, it causes the affected cells to elongate. Auxin is released along the shaded side of the plant, at the shoot tip. This causes the ce...
Answered by • Biology tutor
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