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How can additional molecules or ions increase the activity of an enzyme?

Molecules or ions which improve the activity of an enzyme are classified as cofactors, coenzymes, or prosthetic groups. Cofactors are often ions, and coenzymes and prosthetic groups are larger molecules. Cof...
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Answered by Melody S. • Biology tutor
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What is the difference between the genotype and the phenotype?

An organism's genotype is the complete set of genes that they inherit from their parents (half from each parent). Their phenotype is the set of characteristics that are seen/observed, as a result of their ge...
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Answered by Evelyn M. • Biology tutor
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Describe the basic structure of a cell membrane?

Made of structrues called phospholipids with a polar, hydrophobic head region and a non-polar hydrophillic region. Formation of a bilayer. Contains cholesterol which binds to the fatty acid tails to add sten...
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Answered by Kaylan P. • Biology tutor
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What are the components and function of the autonomic nervous system in the human body?

There are 2 components, the sympathetic nervous system and the parasympathetic nervous system. They are a collection of nerves and neurotransmitters throughout the human body and present in both the central ...
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Answered by Pierce B. • Biology tutor
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What is osmosis and how does it differ from what I learned at GCSE about diffusion

At GCSE osmosis was simplified to just diffusion of water so it is the spreading out of water molecules from where there is a high concentration to a low concentration- but in fact osmosis depends both on th...
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Answered by Katie G. • Biology tutor
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