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Name 3 possible functions for a membrane protein, and name an example for each.

Enzymatic activity. E.g. ATP synthase found in the inner mitochondrial membrane catalyses the synthesis of ATP. 2) Transport of substances. E.g. Aquaporins are integral membrane proteins that are assembled i...
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Answered by Celia N. • Biology tutor
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How does a stimulus produce an action potential?

The cell begins at a resting potential of -85mV with a high concentration of potassium (K+) inside the cell. The stimulus must be strong enough to produce the all or nothing response which triggers the openi...
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Answered by Meirion T. • Biology tutor
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Describe the main stages of cell division

Interphage: G1 phase = Increased metabolic reactions, protein synthesis, organelle production, cell checks whether to divide or not S phase = DNA replication --> creation of sister chromatids G2 phase = F...
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Answered by Zoe G. • Biology tutor
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In to which artery does blood normally flow from the left ventricle?

The aorta.
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Answered by Jake T. • Biology tutor
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Can explain the process of polypeptide synthesis in the cell?

Protein synthesis is known as the central dogma of biology, it is the reason our cells and hence our bodies can function. It is the conversion of DNA bases (A,T,G,C) intro an intermediary form called RNA (U,...
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Answered by Zak M. • Biology tutor
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