Bio Exam 3 - Ch. 9 Cell Respiration

Discipline: Biology (and other Life Sciences)

Type of Paper: Question-Answer

Academic Level: Undergrad. (yrs 3-4)

Paper Format: APA

Pages: 1 Words: 275


How many NADH are produced by glycolysis?   2

In glycolysis, ATP molecules are produced by   substrate level phosphorylation

In glycolysis, what starts the process of glucose oxidation?    ATP

In glycolysis there is a net gain of _____ ATP.       2

In muscle cells, fermentation produces _____.   lactate and NAD+ and ATP

In fermentation _____ is reduced and _____ is oxidized.
pyruvate ... NADH,The pyruvate from glycolysis is reduced to either lactate or ethanol, and NADH is oxidized to NAD+.

when a substance is oxidized it  ____ electrons.     loses

when a substance is reduced it ____ electrons.   gains

What is the formula for cell respiration
C6H12O6 + 6 O2 → 6 CO2 + 6 H2O + Energy
C6H12O6 is oxidized and O2 is reduced.

The oxygen consumed during cellular respiration is directly involved in which of the following processes or events?
accepting electrons at the end of the electron transport chain

In glycolysis, the carbon-containing compound that functions as the electron donor is ______.  Glucose

Starting with one molecule of glucose, glycolysis results in the net production of which of the following sets of energy-containing products?Term
2 pyruvate, 2 NADH, 2 atp

Carbon dioxide (CO2) is released during which of the following stages of cellular respiration?
Oxidation of pyruvate to acetyl CoA and the citric acid cycle

Which molecule is metabolized in a cell to produce energy "currency" in the form of ATP?

As electrons move from one molecule to the next in ETC, do they lose energy or gain energy?  Lose energy

Which stage of glucose metabolism produces the most ATP?      Electron transport and chemiosmosis

What is the location of glycolysis   cytosol

what is the location of acetyl CoA formation
mitochondrial matrix

what is the location of oxidative phosphorylation
in the inner mitochondrial membrane

Where does the citric acid cycle take place?
The mitochondrial matrix

what are the inputs of glycolysis
glucose, NAD+, ADP

What are the outputs of glycolysis
ATP Pyruvate NADH

what are the inputs of Acetyl CoA Formation
Pyruvate NAD+ Coenzyme A

What are the outputs of Acetyl CoA Formation
CO2 NADH Acetyl CoA

What are the inputs of Citric Acid Cycle
ADP Nad+ Acetyl CoA

What are the outputs of citric acid cycle
ATP NADH CO2 coenzyme A

he electrons stripped from glucose in cellular respiration end up in which compound?
water; At the end of the electron transport chain, the electrons and hydrogen atoms are added to oxygen, forming water.

In chemiosmosis, what is the most direct source of energy that is used to convert ADP +Pi to ATP?
energy released from movement of protons through ATP synthase, down their electrochemical gradient

Energy released by the electron transport chain is used to pump H+ ions into which location in eukaryotic cells?  mitochondrial intermembrane space

In the absence of oxygen, what is the net gain of ATP for each glucose molecule that enters glycolysis?

In the absence of oxygen, yeast cells can obtain energy by fermentation, which results in the production of which of the following sets of molecules?
ATP, CO2, and ethanol (ethyl alcohol)

what is a primary function of both alcohol fermentation and lactic acid fermentation?
to oxidize NADH to NAD+

what are the reactants of alcohol fermentation
NADH and Pyruvate

what are the products of alcohol fermentation
NAD+ and Lactate

Most CO2 from catabolism is released during
citric acid cycle