Top answers

Why does an action potential travel faster in a myelinated neurone compared to a non-myelinated neurone?

Myelinated and non-myelinated neurones have different structures which is why the speed of action potentials differ. In a Myelinated neurone, a myelin sheath is wrapped around the axon. This myelin sheath is...
SF
Answered by Saima F. • Biology tutor
17552 Views

What is the definition of Osmosis?

Osmosis is the movement of water molecules from an area of high concentration to an area of low concentration through a selectively permeable membrane.
SR
Answered by Stuart R. • Biology tutor
3668 Views

Based on structure, how is an enzyme's function affected by amino acids?

An enzyme is a type of protein, and proteins are made up of amino acids. The sequence of amino acids determines the shape of the enzyme, which in turns controls which substrates will or won't fit into the ac...
CC
Answered by Chester C. • Biology tutor
4202 Views

Explain what autosomal linkage is

An autosomal linkage is when there are two gene loci found on the same autosomal chromosome, so they are quite likely to be inherited together. Vocabulary:Gene loci: The position of a gene on a chromosomeAut...
YC
Answered by Yasmin C. • Biology tutor
11600 Views

Describe the changes in pupil size when light is shined into the eye. Explain why this happens.

The pupil constricts (becomes smaller) to decrease the light entering the eye. This prevents damage to the eye.
MK
Answered by Melissa K. • Biology tutor
3712 Views