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nadya68 [22]
2 years ago
12

Coupled transport differs from primary active transport due to the fact that it uses __________ as a direct source of energy. co

upled transport differs from primary active transport due to the fact that it uses __________ as a direct source of energy.
Biology
2 answers:
Kipish [7]2 years ago
4 0
Answer is: coupled transport differs from primary active transport due to the fact that it uses electrochemical potential difference as a direct source of energy.
Primary active transport directly uses metabolic energy (adenosine triphosphate- ATP) to transport molecules across a membrane.
In secondary active transport (coupled transport) there is no direct coupling of ATP, <span>energy derived from the pumping of protons across a cell membrane.</span>
kirill115 [55]2 years ago
4 0

Coupled transport differs from active transport due to the fact that it uses electrochemical potential difference (electrochemical energy) as a direct source of energy.

<h2>Further Explanation </h2><h3>Physiological processes in living organisms</h3>

Plants and animals use various processes to transport materials from one point to another.

There are classified as either passive transport or active transport.

<h3>Active transport  </h3>
  • It is a type of transport in living organisms that involves movement of substances against a concentration gradient through the plasma membrane.
  • Active transport is the homeostatic process that requires chemical energy to move particles across the plasma membrane.
  • The chemical energy used during active transport is in the form of ATP.
  • Active transport may be classified as primary or secondary (coupled active transport)
<h3>Primary Active transport </h3>
  • This is a type of active transport in which energy used is directly derived from the break down of ATP.
  • Phosphorylation of ATP activates the primary active transport protein by giving it one Pi, forming ADP and thus energizing the protein.
<h3>Secondary active transport (coupled transport)</h3>
  • In this type of active transport energy is derived from the energy that has been stored in the form of difference in ionic concentration between the sides of the membrane.
  • Energy from electrochemical difference is used as a direct source of energy.

<h3>Passive transport</h3>
  • It is a type of transport that does not involve the use of energy to aid movement of substances in living organisms.
  • Passive transport involves free movement of substances and through special types of transporters or carriers.
  • Types of passive transport includes; simple diffusion, facilitated diffusion, osmosis, and mass flow among others.

Keywords: Active transport, primary active transport, secondary active transport, chemical energy in the form of ATP, Passive transport,

<h3>Learn more about:  </h3>
  • Active transport: brainly.com/question/11410881
  • Chemical energy used in active transport; brainly.com/question/11410881
  • Primary active transport; brainly.com/question/1511709
  • Secondary active transport; brainly.com/question/1511709
  • Passive transport: brainly.com/question/11410881

Level: High school  

Subject: Biology

Topic: Physiological processes in living organisms

Sub-topic: Active transport

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