What is the function of channel proteins in a neuron? they allow ions to pass through the cell membrane of the neuron
they help with the function of the nucleus
they function in initiating the action potential
they help to transmit neurotransmitters

d. organisms have cells with different shapes and functions.

it is called the mitotic spindle

well first you need the sample of the temperature and gas level. i couldnt write a hypothesis unless i had some data. i think temperature changes will effect volumes of gas because gas changed into a solid or liquid at specific temperatures.