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Biology
GCSE

How do different factors affect the rate of photosynthesis and transpiration in plants?

Firstly it's important to distinguish that photosynthesis and transpiration are two different processes. Photosynthesis is the process used by plants to convert carbon dioxide and water into gucose and ox...

Answered by Emma S. Biology tutor
78876 Views

Describe the mechanism of transport in the phloem, involving active loading at the source and removal at the sink.

The active transport of hydrogen ions out of the companion cells using ATP creates a hydrogen ion gradient.This causes the facilitated diffusion of H+ ions back into companion cells. This occur...

Answered by Jonathan C. Biology tutor
17614 Views

Describe the process of the reflex arc.

The reflex arc is activated to create a rapid response in order to maintain safety. It is an innate, automatic response to a dangerous stimulus.

It involves 3 neurones. A sensory neurone, a motor n...

Answered by Ria S. Biology tutor
14258 Views

Describe the difference between the function of a receptor and the function of an effector. Give examples.

When seeing this sort of question, I would handle it by explaining what both a receptor and an effector is firstly and giving examples. Secondly, I would explicitly state the difference to make sure the a...

Answered by Ashni M. Biology tutor
22575 Views

What makes up a balanced diet?

A balanced diet supplies all the essential nutrients for the body to function. There are 7 essential nutreints, each with a differnt function in the body. Carbohydrates provide energy Fats/lipids act as a...

Answered by Vicky H. Biology tutor
3636 Views

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