Top answers

Biology
A Level

How do bacteria acquire resistance to antibiotics?

Spread of mutations via vertical and horizontal transmission

Once a bacterium has a mutation that provides resistance to an antibiotic, it can spread through replication or through...

HL
Answered by Hannah L. Biology tutor
7589 Views

What are the limiting factors of Photosynthsis

Photosynthesis requires optimal temperatures, high levels of light, and carbon dioxide.

The limiting factor of photosynthesis is the fac...

ZA
Answered by Zuhayr A. Biology tutor
5123 Views

What are the different types of immunity?

Firstly, you need to understand that there are two main types: Passive Immunity and Active Immunity. We will take them one by one and break them down now.

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BC
Answered by Bogdan C. Biology tutor
14790 Views

Why is O2 so important for respiration?

Oxygen is a critical component of Aerobic respiration in many animals. The reason why oxygen is so important is because it plays a crucial role in the mitochondria, the powerhouses of the cell. The mit...

VS
Answered by Vignesh S. Biology tutor
56921 Views

Explain the mechanism of breathing

Breathing consists of two phases called inhalation and exhalation.

Inhalation

In order for air to be drawn into the lungs during inhalation the volume

LM
Answered by Lauren M. Biology tutor
80508 Views

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