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Q: This type of transport requires no energy to move solutes against their concentration gradients?
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What is the pumping of materials across a membrane against their concentration gradients?

Active Transport


Does Facilitated Transport move molecules against their concentration gradients?

It is a form of Passive Transport and intestinal cells move down its concentration gradient through a transport protein.


What best describes why cells need active transport mechanisms?

to move solutes against their concentration gradients


Why are ATPases associated with active transport proteins?

They provide transport proteins with the energy needed to pump molecules against their concentration gradients.


What type of transport is against concentration gradients and requires energy?

Active Trasport. The energy required to make active transport work is in the form of ATP(Adenosine Triphosphate), which is synthesized by the catabolic process of cellular respiration.


How is an active transport different from passive transport?

Active transport consumes energy (in the form of ATPs or electrochemical gradients) and propels materials against a concentration gradient.


What are the types of cellular transport?

active transport -transport against concentration gradient that requires chemical energy passive transport- requires no energy at all


What are Types of cellular transport?

active transport -transport against concentration gradient that requires chemical energy passive transport- requires no energy at all


Is active transport with or against the concentration gradient?

Active transport requires energy as it moves against a concentration gradient. It actively propels molecules from an area of low concentration to an area of high concentration


What type of transport is osmosis?

Passive Transport ( it requires no energy) because it goes from a higher concentration to a low concentration. It does not go against it's concentration gradient ("active transport)


What energy from the hydrolysis of ATP is used to drive substances across the membrane against their own concentration gradients?

primary active transport


What is the primary function of polysaccharides attached to the glycoprotein and glycolipis of animal cell membranes?

to actively transport molecules against their concentration gradients.

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