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Describe action potential and how it allows for signals to be transmitted along neurons.

To answer this question, we first need to understand what a neuron is and what its components are. A neuron is a nerve cell that transmits electrical impulses between cells to continue an action, to end an a...
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Answered by Oliver M. • Biology tutor
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Describe two ways in which the process of cell division shown differs between plant cells and animal cells.

In animal cells there will be centriolesIn animal cell there will be no cell plate formation/ there will be constriction of the cytoplasm
Answered by • Biology tutor
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Give two ways in which the structure of starch and cellulose are similar and different to one another.

Two ways in which both starch and cellulose are similar in regards to structure are that they are both made up of monosaccharides and contain glucose.Two ways in which starch and cellulose differ in structur...
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Answered by Nadia H. • Biology tutor
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How may nitrate from fertiliser entering lakes cause the death of fish in fresh water?

The addition of excess nitrate to the freshwater body causes algal bloom on the surface, blocking sunlight. This reduces the photosynthetic activity of submerged plants, causing them to die. Subsequently, th...
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Answered by Cocoa M. • Biology tutor
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Explain the structure of an amino acid and how a peptide bond forms between two amino acids.

An amino acid is made up of four groups bonded to a central carbon atom. These groups include a hydrogen atom, a carboxyl group, an amine group and a R group. The R group differs for each amino acid. A pepti...
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Answered by Hazal T. • Biology tutor
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