Proteins have a function in a. giving form to the cell b. providing stored energy and directing movement within a cell c. providing a scaffold for chemical reactions to take place d. catalyzing chemical reactions within a cell e. all of the above​

Neurotransmitters are messengers responsible for communication between neurons. they are released from synaptic vesicles and are received by receptors.  the communication is referred to as neurotransmission. the following statement is true about neurotransmitters: a. they're stored in synaptic vesicles in the axon.

No because the eaeht is on a 23.5 degree axis tilt and so when it is winter the northern hemisphere is pointing away from the sun and the soutubern hemisphere is pointing toward the sun