Summarize active transport In your answer consider the direction of transport and any external energy or special structures that are needed in the process .

an area of lower concentration to an area of higher concentration.

ATP

Primary active transport directly uses a source of chemical energy (e.g., ATP) to move molecules across a membrane against their gradient.

the uptake of glucose in the intestines in humans and the uptake of mineral ions into root hair cells of plant

membrane pumps (such as the sodium-potassium pump) and vesicle transport.

Primary Active Transport.

The Cycle of the Sodium-Potassium Pump.

Generation of a Membrane Potential from the Sodium-Potassium Pump.

Secondary Active Transport.

Sodium Potassium Pump.

Endocytosis.

Exocytosis.

Active Transport.

Explanation:

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;