Electron Transport Chain
Flashcard
•
Science
•
6th - 8th Grade
•
Hard
Barbara White
FREE Resource
Student preview
14 questions
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1.
FLASHCARD QUESTION
Front
Electron Transport Chain (ETC) Noun
[uh-lek-tron trans-port cheyn]
Back
Electron Transport Chain (ETC)
A series of protein complexes in the inner mitochondrial membrane that transfers electrons to generate a proton gradient for ATP synthesis.
Example: This diagram shows how electrons (e-) move through proteins in a membrane, pumping protons (H+) to one side to create a gradient that powers ATP synthesis.
2.
FLASHCARD QUESTION
Front
ATP (Adenosine Triphosphate) Noun
[uh-den-uh-seen try-fos-feyt]
Back
ATP (Adenosine Triphosphate)
The main energy-carrying molecule used to power cellular processes, produced in large amounts during the electron transport chain.
Example: This diagram shows the structure of ATP, made of adenine, ribose, and a triphosphate group, with high-energy bonds that store and release cellular energy.
3.
FLASHCARD QUESTION
Front
Mitochondria Noun
[my-toh-kon-dree-uh]
Back
Mitochondria
The organelle where the Krebs cycle and electron transport chain occur, responsible for the majority of cellular ATP production.
Example: This diagram shows a cross-section of a mitochondrion, labeling key parts like the inner and outer membranes, where the electron transport chain occurs.
4.
FLASHCARD QUESTION
Front
Cristae Noun
[kris-tee]
Back
Cristae
The folds of the inner mitochondrial membrane, which increase the surface area available for the electron transport chain reactions.
Example: This diagram shows a cross-section of a mitochondrion, pointing out the cristae, which are the inner membrane's folds where the electron transport chain occurs.
5.
FLASHCARD QUESTION
Front
Mitochondrial Matrix Noun
[my-toh-kon-dree-uhl mey-triks]
Back
Mitochondrial Matrix
The innermost compartment of the mitochondrion from which protons are pumped during the electron transport chain to create a gradient.
Example: This image shows the mitochondrial matrix, the innermost part of the mitochondrion, which contains enzymes, DNA, and ribosomes needed for energy production.
6.
FLASHCARD QUESTION
Front
Intermembrane Space Noun
[in-ter-mem-breyn speys]
Back
Intermembrane Space
The space between the inner and outer mitochondrial membranes where protons accumulate to create an electrochemical gradient for ATP synthesis.
Example: This diagram shows the intermembrane space as the area where protons (H+) are pumped during the electron transport chain, creating a high concentration.
7.
FLASHCARD QUESTION
Front
NADH Noun
[en-ey-dee-eych]
Back
NADH
A high-energy electron carrier that donates electrons from glycolysis and the Krebs cycle to the electron transport chain.
Example: This diagram shows the NAD+ cycle, where NAD+ is 'reduced' by gaining electrons and a proton to become the energy-carrying molecule NADH.
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