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Describe what is meant by active transport and state one way in which it is different to simple diffusion

Active transport is the movement of substances from an area of lower concentration to an area of higher concentration. Movement is going against the concentration gradient. This is ATP requiring.Active tr...

JE
Answered by Joshua E. Biology tutor
2258 Views

What is necessary for photosynthesis to occur?

Essentially, photosynthesis is the process by which plants convert light energy to produce sugar. It needs water, light and carbon dioxide to occur and produces oxygen and sugar/carbohydrates. Photosynthe...

CC
Answered by Claudia C. Biology tutor
1379 Views

Discuss the nature and impacts of one or more earthquake events that you have studied (10marks)

Firstly break the question into 2:Nature of earthquake; characteristics, location and scale. For example 2010 Haiti earthquake, magnitude of 7.0 on the richter scale, epicentre 25 km from Haiti's capital ...

PB
Answered by Poppy B. Geography tutor
1759 Views

Outline the social and economic impacts of one or more tectonic events (10 marks).

Analysing the 2010 earthquake in Haiti, there have been varying short-term and long-term social and economic impacts. This is due to the violent magnitude of the earthquake (7.0 magnitude initial shock, f...

RP
Answered by Reagan P. Geography tutor
17076 Views

What is the function of the nucleus in an animal cell?

The nucleus contains all of the genetic information of the cell. This genetic information is the DNA. DNA is deoxyribonucleic acid, and through this the cell is able to complete its functions through tran...

IV
Answered by Isabelle V. Biology tutor
2746 Views

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