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Biology
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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
2603 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
3166 Views

Describe the roles of the nervous system in homeostasis.

Homeostasis is a maintenance of a constant internal environment.
The human nervous system consists of central nervous system; brain and spinal cord and peripheral nervous system which is subdivided i...

FM
9400 Views

Name and describe the features of the type of blood vessel which takes high pressure blood from the heart to other parts of the body

Arteries are the blood vessels which deliver oxygen-rich blood from the heart to the tissues of the body. The outer layer of an artery is made of collagen fibers. The middle layer has smooth muscle and el...

HD
Answered by Hazel D. Biology tutor
2643 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
18581 Views

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