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Biology
GCSE

Can you outline the process of respiration in humans

Respiration is the process by which organisms make the energy they need to function. We will discuss respiration in humans. Both humans and some species of plant are known as facultative aerobes - meaning...

Answered by Oliver P. Biology tutor
2023 Views

Name four components of an animal cell and describe their functions

Cell membrane - allows movement of molecules in and out of cellNucleus - contains DNA/genetic informationCytoplasm - water based 'filling' of the cellMitochondria - creates energy for the cell via respira...

Answered by Ben S. Biology tutor
1957 Views

Explain how it is possible for two parents without blue eyes (a recessive trait) to have a child with blue eyes

This would be possible if both parents were carriers of the allele for blue eyes (heterozygous). This means each would have one blue eye allele and one non blue eye allel...

Answered by Sylvie B. Biology tutor
1878 Views

Why do the number of blood cells change in a person with an infection?

The number of white blood cells increase. This is because the white blood cells are responsible for engulfing pathogens and producing antibodies to defend against disease.

Answered by Louise L. Biology tutor
1764 Views

How can plasmids be used to create transgenic plants?

The plasmid is inserted into the vector. The vector infects the plant and the plasmid is incorporated into the plant DNA. The infected cells can then be isolated as they contain the new gene from the plas...

Answered by Louise L. Biology tutor
1639 Views

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