Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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krebs

Kreb's Cycle
CHECK YOUR UNDERSTANDING
What is the difference between NAD* and NADH?
O NAD* has lost a proton and has a positive charge.
O NADH has gained electrons and a proton.
O NAD* has gained a proton and has a positive
charge.
O NADH has lost electrons but gained a proton.
After the Krebs cycle, all of the carbon atoms from
the original glucose molecule are
O taken into NADH.
O taken into ATP.
O released as carbon dioxide.
O recycled back to glycolysis.
THE KREBS CYCLE
Outputs of Kreb's cycle:
NAD
NAD
NAD
NAD
FAD
NAD
NAD
NAD
NAD
FAD
Oxygen
present
ELECTRON TRANSPORT CHAIN
What happens if oxygen is not present?
ATP
ATP
ATP
ATP
ATP
ATP
ATP
ATP
ATP
ATP
ATP
ATP
ATP
ATP
ATP
ATP
ATP
ATP
ATP
ATP
ATP
What stage of Cellular Respiration can be
completed without oxygen?
ATP
ATP
ATP
ATP
ATP
ATP
ATP
CHECK YOUR UNDERSTANDING
What is the function of NADH?
to provide energy for glycolysis
to carry electrons from a glucose molecule to ATP
to carry electrons from a glucose molecule to the
electron transport chain
O to provide energy for the breakdown of a
glucose molecule
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Transcribed Image Text:Kreb's Cycle CHECK YOUR UNDERSTANDING What is the difference between NAD* and NADH? O NAD* has lost a proton and has a positive charge. O NADH has gained electrons and a proton. O NAD* has gained a proton and has a positive charge. O NADH has lost electrons but gained a proton. After the Krebs cycle, all of the carbon atoms from the original glucose molecule are O taken into NADH. O taken into ATP. O released as carbon dioxide. O recycled back to glycolysis. THE KREBS CYCLE Outputs of Kreb's cycle: NAD NAD NAD NAD FAD NAD NAD NAD NAD FAD Oxygen present ELECTRON TRANSPORT CHAIN What happens if oxygen is not present? ATP ATP ATP ATP ATP ATP ATP ATP ATP ATP ATP ATP ATP ATP ATP ATP ATP ATP ATP ATP ATP What stage of Cellular Respiration can be completed without oxygen? ATP ATP ATP ATP ATP ATP ATP CHECK YOUR UNDERSTANDING What is the function of NADH? to provide energy for glycolysis to carry electrons from a glucose molecule to ATP to carry electrons from a glucose molecule to the electron transport chain O to provide energy for the breakdown of a glucose molecule
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