Which of these processes occurs in the cytosol?a. the citric acid cycleb. glycolysis c. the electron transport system d. the preparatory reaction


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The preparatory reaction breaksa. glucose into pyruvatesb. pyruvates into glucosec. pyruvates into acetyl-CoA and carbon dioxide.d. pyruvates into acetyl-CoA and watere. acetyl CoA into pyruvates and carbon dioxide
Which process produces both NADH and FADH2?a. the citric acid cycle b. glycosis c. the electron transport systemd. fermentatione. the preparatory reaction
Which process reduces molecular oxygen to water? a. the citric acid cycle b. glycolysis c. the electron transport system d. fermentatione. the preparatory reaction
The majority of the carbon dioxide we exhale is produced in a. glycolysis b. the electron transport system c. lactate fermentation d. the citric acid cycle
The correct sequence for aerobic metabolic breakdown of glucose isa. glycolysis-preparatory reaction-citric acid cycle-electron transport systemb. preparatory reaction-glycolysis-electron transport-citric acid cyclec. electron transport system-citric acid cycle-preparatory reaction-glycolysisd. none of these are correct
During the preparatory reaction of aerobic respiration what happens to the carbon molecules?a. the carbon molecules are broken down from a 3-carbon to a 2-carbon acetyl group and a 1-carbon CO2 is releasedb. the carbon molecules are broken down from a 4-carbon to a 3-carbon acetyl group and a 2-carbon is released.c. the carbon molecules are converted fromd. the carbon molecules are broken down from a 3-carbon to 1-carbon
a. the carbon molecules are broken down from a 3-carbon to a 2-carbon acetyl group and a 1-carbon CO2 is released
Which statement is correct about the input and output of carbon during glycolysis? a. there is an input of 6 carbons (glucose) and output of 6 carbons(2 pyruvates)b. there is an input of 6 carbons (2 pyruvates) and output of 6 carbons (1 glucose)c. there is an input of 6 carbons (glucose) and an output of 6 carbons (6CO2)d. there is an input of 3 carbons (glucose) and an output of 3 carbons (pyruvate)
If 7.3 Kcal are required to produced ATP from ADP+P, and the complete breakdown of glucose CO2 and h20 represents a possible energy 686 kcal per molecule, how efficient is glycolysis?a. 0.21%b.0.213%c.2.13%d.21%
During glycolysis, glucose is a. produced from two molecules of pyruvic acidb. converted into two molecules of ATP c. partially broken down and some of its stored energy is releasedd. partially broken down and some of its stored energy is increased
When cells break down food molecules, energya. is released all at onceb. is released entirely as body heat into the environment c. is temporarily stored in ATP moleculesd. causes excitation of electrons in chlrophyll molecules
When glycolysis occursa. a molecule of glucose is splitb. two molecules of pyruvate are madec. some ATP is producedd. all of the above
When muscles are exercised extensively in the absence of sufficient oxygena. a large amount of ATP is formedb. NADH molecules splitc. lactic acid is producedd. oxidative respiration ceases
Acetyl-coenxyme A a. is formed from the breakdown of pyruvateb. enters the Krebs cyclec. can be used in fat synthesisd. all of the above
glycolysis and oxidative respiration are different in that a. glycolysis occurs on the cell membrane, while oxidative respiration occurs in mitochondriab. glycolysis occurs in photosynthesis, while oxidative respiration is part of cellular respirationc. glycolysis occurs in the absence of oxygen, while oxidative respiration requires oxygend. both of these terms are different names for the same processes
With oxygen present, the krebs cycle and the electron transport chaina. provide organisms an alternative to glycolysisb. produce most of the ATP needed for lifec. break down glucose to produce carbon dioxide, water, and ATP d. all the above
The krebs cycle (citric acid cycle) a. breaks down a two-carbon molecule into two molecules of co2 b. produces a 6-carbon molecule of co2c. produces NAD+ and H+d. generates most of the ATP produced in aerobic exercise
The krebs cycle : CO2 :: a. glycolysis : glucosb. acetyl-coA formation : O2c. cellular respiration : O2d. electron transport : ATP
After proton pumps in mitochondria have depleted electrons of their energy during ATP production, a. the electrons carried as part of hydrogen atoms are used in the formation of waterb. the electrons carried as part of hydrogen atoms are used in the formation of ethyl alcoholc. the electrons build up inside the mitochondria and diffuse back to a thylakoid d. none of the above


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C6 H12 O2+ADP+P ->6CO2+6H20+MOLECULE AThe process shown in the equation above begins in the cytoplasm of a cell and ends in the a. cytoplasmb. mitochondriac. endoplasmic reticulumd. lyosome