Top answers

Biology
A Level

What are the key characteristics of cancer cells and how do they arise?

Cancer cells are continually dividing in an uncontrolled manner and have adapted mechanisms of avoiding cell death. They are also more mobile and are capable of spreading to different parts of the body to...

RO
Answered by Rhys O. Biology tutor
2798 Views

Draw and label a diagram of an animal cell?

mitochondria, nucleus, nucleolus, golgi body, SER, RER, plasma membrane, centriole, ribosome, cytoplasm,

MM
Answered by Mhairi M. Biology tutor
3478 Views

What is the difference between diffusion and active transport?

Diffusion is passive (doesn't need use energy as ATP) where as active transport is active (by hydrolysis of ATP )
Diffusion is down a concen...

LM
Answered by Leena M. Biology tutor
2225 Views

Describe and explain three differences between meiosis and mitosis

Mitosis consists of one cell division whereas meiosis consists of two cell divisions.Mitosis produces two genetically identical daughter with the same number of chromosomes as the parent cell whereas meio...

KP
Answered by Krishan P. Biology tutor
2879 Views

How does a pregnancy test work?

1) The wick of the pregnancy test is socked in urine. 2) The test contains mobile monoclonal antibodies with small coloured beads attached to them. 3) These mobile monoclonal antibodies only bind t...

LZ
Answered by Lijun Z. Biology tutor
15858 Views

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