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How does active transport differ from passive transport quizlet?

active transport uses energy and passive does not. Active transport the molecules move from a lower concentration to a higher concentration. Passive transport the molecules move from a higher concentration to the lower concentration.

Are aquaporins active or passive?

Water permeation through aquaporins is a passive process that follows the direction of osmotic pressure across the membrane.

What happens if a cell takes up sucrose by active transport?

If sucrose enters the cell via active transport, then water will follow via osmosis until concentrations of water equalize. Sucrose would be transported via active transport into a plant cell since it is a nutrient needed for cellular respiration (can break down into glucose).

Is the transport of sucrose active or passive?

Xylem: transpiration (evaporation) from leaves, combined with cohesion and tension of water in the vessel elements and tracheids (passive; no energy required) Phloem: Active transport of sucrose from source cells into phloem sieve tube elements (energy required)

Is exocytosis active or passive transport?

Exocytosis describes the process of vesicles fusing with the plasma membrane and releasing their contents to the outside of the cell. Both endocytosis and exocytosis are active transport processes.

Is Na K Pump primary or secondary active transport?

The sodium-potassium pump maintains the electrochemical gradient of living cells by moving sodium in and potassium out of the cell. The primary active transport that functions with the active transport of sodium and potassium allows secondary active transport to occur.

Is Antiport secondary active transport?

An antiporter (also called exchanger or counter-transporter) is a cotransporter and integral membrane protein involved in secondary active transport of two or more different molecules or ions across a phospholipid membrane such as the plasma membrane in opposite directions, one into the cell and one out of the cell.