What creates a positive charge inside the cell during a nerve impulse? A. Gated sodium channels open and sodium ions flood into the cell.

B. Negatively charged ions leave the cell and make the inside positive.

C. Carbon dioxide molecules break apart and become ions to create an overall positive charge.

D. Across the synapse, positively charged ions of many different elements flow into the cell.​

a gated sodium channels open and sodium ions flood into the cell

c-reactive protein (crp) is an acute phase protein belonging to pentraxin family of proteins, whose levels increases 1000-fold or more in concentration in blood during the occurrence of an injury, inflammation or tissue death.

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.