test five

how many molecules of ____would be produced by two cycle of the citric acid cycle

12

How many Atp molecules would be produced from one molecule of ___ when it passes through the oxidative phosphorylation process

2

how many molecules of ___would be released from the complete aerobic respiration of a molecule of sucrose (C12H22O11) a disacchardie

2

Assume a mitochondrion contains 58 NADH and 19 FADH2. If each of the 77 dinucleotides were used, approximately how many ATP molecules could be generated as a result of oxidative phosphorylation (chemiosmosis)? A) 36 B) 77 C) 173 D) 212 E) 1102

212

starting with Acetyl-coa how many of the following would be produced with three turns of the citric acid cycle

3 atp ,6 co2, 9NADH, 3FADh2

How many atp molecules can be formed by oxidative phosphorylation when all of the ___molecules produced from one cycle of citric acid cycle are used

30-36

how many NADH2 molecule are produced from the once cycle of ____?

4

During glycolysis, when glucose is catabolized to pyruvate, most of the energy of glucose is transformed into

6

approximately how many molecules of atp are produced from the complete oxidation of one molecule of ___ in cellular respriation

76

Most of the energy that enters electron transport enters as A) ATP. B) acetyl CoA. C) glucose. D) CO2. E) FADH2 and NADH.

FADH2 and NADH

which of the following statements about NAD+ is false

NAD+ has more chemical energy than NADH

Muscle cell in oxygen deprivation converts pyruvate lacatate _, and during this step ,muscle cell uses ____.

NAD+,

If an enzyme in solution is saturated with substrate, the most effective way to obtain a faster yield of products is to

NADH and Pyruvate

which of the following is a true distinction between fermentation and cellular respiration

NAOH is oxidazied by the electron transport chain in respiration only

the oxygen consumed during cellular respirations is involved directly in which process or event

accepting electrons at the end of the electron transport chain

which of the following enters the citric acid cycle and is formed in part by the removal of a carbon (CO2) from one molecule of pyuvate?

acetyl Coa

in the reaction A-B+c+heat

acetyl-Coa,nadh,H+and co2

the primarly role of oxygen in cellular respiration is to

act as an acceptor for electrons hydrogen forming water

How many total atp molecules are produced by ___

add more of the enzyme

what is the term used for the metabolic pathway in which glucose (c6h12o6) is degraded to carbon dioxide (co2) and water?

aerobic cellular respiration

which of the following statements about metabolism is incorrect

anabolism reaction are degradtive

What kind of metabolic poison would most directly interfere with glycolysis?

anelengent that closes mimers the structure of glucose but isnt mentioned

Which process could be compared to how rushing steam turns a water wheel? A) the citric acid cycle B) ATP synthase activity C) formation of NADH in glycolysis D) oxidative phosphorylation E) the electron transport system

atp syntase activity

Sucrose is a disaccharide, composed of the monosaccharides glucose and fructose. The hydrolysis of sucrose by the enzyme sucrase results in

breaking the bond between glucose and fructose and forming new bonds from the atoms of water

which of the following metabolic processes can occur without a net influx of energy from some other processes

c6h12o2+o2=6co2+6h20

in the process of cellular respiration____in the glucose molecule converted into

carbon dioxide & water

A chemical reaction that has a postive G is correctly described as

carrier protein acceptor electrons from Nadh

a major function of the mitochondrial inner membrane is the conversion of energy from electrons to the stored energy of the phosphate bond in atp to accomplish this function the inner mitochondrial membrane must have all of the following features except

carrier proteins to accept electrons from NADH.

each time a molecule (c6h12o6) is completely oxidized via aerobic respiration how many ____are required

cataysts

Whenever energy is transformed, there is always an increase in the

creation of a proton gradient

A+B-->C+D

endergonic

Carbon dioxide (co2) is released during which of the following stages of cellular respiration

exergonic; endergonic

the mechanism in which the end product of a metabolic pathway inhibits an earlier step in the pathway is known as

feedback inhibition

pyruvate is formed

glycolysis

Which metabolic pathway is common to both cellular respiration and fermentation?

glycosis

which of the following occurs in the cytosol of the cell

glycoysis and fermentation

the primary function of the mitchondrion is the production of atp .to carry out this function the mitchondrion must have all of the following except

high permeability to protons

an increase in the level of cellular Atp is likely to occur under which of the following conditions

increased activity of catabolic pathways decreased activity of anabolic pathways allosteric inhibition of anabolic pathways

which of the following is true of enzyme

increases rate of chemical by reactive energy barrier for catalysis to take place

which of the following is true for anabolic pathways

influences by physical chemical environment factor requires non protein cofactors

which of the following is not true of oxidative phosphorylation

it uses oxygen as the intial eletron donor highly regulated sequences to chemical reaction and they consume energy to build up polymers from monomers

which of the following statements about glycolysis is false

its an aerobic process

the energy released by the electron transport chain is used to pump ___into which location

mitchondrial intermembrane space

During aerobic respiration (oxidative phosphorylation) how many ___are involved

mitochondria matrix

what is the change in free energy of a system at chemical equilibum

no net change

When glucose (C6H12O6) is oxidized to CO2 and water in cellular respiration which of the following processes are in the right sequence

oxidation of glucose to pyruvate to oxidation of acetyl-coA to oxidation phosphorylation

which of the following produces the most ATP when glucose (c6h12o6) is completely oxidized to carbon dioxide (co2) and water

oxidation phosphorylation ( chemiosmosis)

Which metabolic process is most closely associated with intracellular membranes? A) substrate-level phosphorylation B) oxidative phosphorylation C) glycolysis D) the citric acid cycle E) alcohol fermentation

oxidative phosphorylation

The final electron acceptor of the electron transport chain that functions in oxidative phosphorylation is

oxygen

which of the following statements is not true about enzyme-catalyzed reaction

releases more energy than non catalyzed require energy to active enzyme -goes in direction toward chain equalibruim

During cellular respiration, acetyl CoA accumulates in which location?

retained in the pyruvate

the atp made during fermentation is generated by which of the following

substrate level phosphorylation

Which of the following statements concerning the metabolic degradation of glucose (c6h12o6) to carbon dioxide (CO2) and water is (are) true

the breakdown of water and carbon exergonic ,has free energy change of 686 cal/mol ,involves oxidation reduction or detox reactions

Most ___from catabolism is released during

the citric acid cycle

choose the pair of terms that correctly completes this sentence

the electron transport chain ;atp synthasis

which of the following statements is incorrect about an oxidation -reduction (or redox)reaction

the oxidating agent donates electrons a molecule is reduced it loses electrons

In glycolysis for each molecule of glucose oxidized to pyruvate

the potential energy of the product is less than that of the reactant

In addition to ___ what are the end products of glycolysis?

two molecule of atp are used and four molecules of atp are produced