Bio cellular Respiration
Which of these enters the citric acid cycle (also called the Krebs cycle)?
acetyl CoA
Which of these is NOT a product of the citric acid cycle (also called the Krebs cycle)?
acetyl CoA
Water
H2o
During electron transport, energy from _____ is used to pump hydrogen ions into the _____.
NADH and FADH2 ... intermembrane space
The proximate (immediate) source of energy for oxidative phosphorylation is _____.
kinetic energy that is released as hydrogen ions diffuse down their concentration gradient
When electrons move through a series of electron acceptor molecules in cellular respiration ________.
oxygen is eventually reduced by the electrons in the formation of water
A product of glycolysis is ______.
pyruvic acid
In the citric acid cycle (also called the Krebs cycle), ATP molecules are produced by _____.
substrate-level phosphorylation
Gas we inhale
02 oxygen
For each glucose that enters glycolysis, _____ NADH enter the electron transport chain.
10 /For each glucose molecule that enters glycolosis, a total of 10 NADH are produced -- 2 are produced in glycolysis, 2 are produced in acetyl CoA production, and 6 are produced in the citric acid cycle.
Energy packets that cells use to do work
ATP
Which energy-rich molecule produced by cellular respiration directly powers cell work?
ATP
gas we exhale
CO2 carbon dioxide
Which of the following molecules is broken down in cellular respiration, providing fuel for the cell?
Glucose
Respiration describes the exchange of gases between your blood and the air. Cellular respiration ________.
Produces ATP
Where in the cell does glycolysis occur?
cytoplasm
ATP synthase plays a role in ______.
generating ATP
Fuel
glucose
The only stage of cell respiration that is not dependent on the other stages of cell respiration is ________.
glycolysis
Which metabolic pathway is common to both aerobic and anaerobic processes of sugar breakdown?
glycolysis
In muscle cells, fermentation produces _____.
lactate and NAD+
Electron transport takes place in the ______.
mitochondria
In cellular respiration, most ATP molecules are produced by _____.
oxidative phosphorylation
The final electron acceptor of cellular respiration is _____.
oxygen
Glycolysis results in ________.
the conversion of glucose to pyruvic acid