Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
25 Cards in this Set
- Front
- Back
A major ion involved in moving electrons through complex III is: |
Iron |
|
The net results of glycolysis are |
2 NADH and 2 ATP |
|
Energy is ____ during the transfer of electrons in cellular respiration. This helps drive ______ reactions. |
Released, Endergonic |
|
When proteins are hydrolyzed within cells, the amino acids may enter into the glucose catabolism pathway at which step? |
The Citric Acid Cycle |
|
When skeletal muscle cells have an insufficient oxygen supply, they use _______________ to generate ATP. |
Lactic acid fermentation |
|
Hydrogen ions are pumped across the membrane into the _____________ to produce an electrochemical gradient. |
Mitochondrial intermembrane space |
|
Molecules generated from butter will enter aerobic cellular respiration at |
Pyruvate oxidation |
|
Whenever a carbon atom is removed during the second stage of glucose metabolism, ___________ is produced. |
Carbon Dioxide |
|
When a compound loses an electron, it is said to be: |
Oxidized |
|
By the end of glycolysis, ___________ net ATP and _________ NADH molecules are produced. |
2;2 |
|
Glycolysis is an ______________ reaction taking place in the ____________ of the cell. |
Anaerobic; cytoplasm |
|
Pellagra is a disease caused by a deficiency of nicotinamide. This substance is an important part of |
NADH and NADPH |
|
A molecule of ATP consists of: |
adenine, ribose, and 3 phosphate groups |
|
ATP, ADP, NADH, and NAD+ can increase or decrease enzyme activity by altering the structure of an enzyme. They are considered |
Allosteric Effectors |
|
How are the NADH and FADH2 molecules produced in the citric acid cycle utilized? |
They provide electrons and protons to the electron transport chain to create an H+ gradient across the inner mitochondrial membrane. |
|
Phosphofructokinase, a controlling enzyme of glycolysis, is inhibited by ___ and activated by ___. |
ATP;ADP |
|
Glycogen is hydrolyzed into ______________ in both the |
glucose monomers; liver and muscles |
|
An important step in glycolysis is the conversion of glucose-6-phosphate into fructose-6-phosphate by a(n): |
Isomerase |
|
Where does oxidation of pyruvate occur when oxygen is present? |
mitochondrial matrix |
|
___________________ generates 90% of the ATP made during aerobic glucose metabolism. |
Chemiosmosis |
|
What can not cross the mitochondrial cristae? |
acetyl CoA |
|
Where are most of the enzymes for the ETC located? |
inner mitochondrial membrane |
|
The citric acid cycle is an ______________ reaction taking place in the ____________ of the cell. |
aerobic ; mitochondria |
|
To produce water, oxygen must react with |
2 H ; 2 e- |
|
Bacteria do not contain mitochondria. How do some bacteria generate most of their ATP? |
glycolysis |