5- What is the place of ATP consumption in cellular respiration?
1) Mitochondrial outer membrane
2) Mitochondrial inner membrane
3) Cytoplasm
4) The space between the two mitochondrial membranes
6_ In mitochondria
1) The inner membrane does not have folds
2) There are two membranes and three internal spaces
3) All chemical reactions take place in the outer membrane.
4) chemical energy of foods; It turns into ATP chemical energy.
7_ by forming acetyl coenzyme A from pyruvic acid; Which one is produced?
1) NADH; CO2
2) CO2 only
3) ATP; CO2
4) CO2; ATP; NADH
8- Which reaction does not occur in the cytoplasm?
1) Glucose- pyruvate
2) The three-carbon compound of pyruvate
3) Pyruvate – acetyl coenzyme A
4) NAD positive NADH+H positive
9- Which option is incorrect about the Krebs cycle?
1) The beginning of the Krebs cycle is associated with the combination of two-carbon and four-carbon bases.
2) in each step, as in the reaction of producing acetyl coenzyme A; CO2 is also released.
3) In step 1, two carbons of acetyl coenzyme A are transferred to a four-carbon molecule.
4) In step 3 of the Krebs cycle, contrary to step 1, sugar is depleted; CO2 is produced.
10- Which one does not produce ATP at the precursor level?
1) Creatinine production
2) Krebs cycle
3) converting glucose to pyruvate
4) converting glucose into a 6-carbon compound of two phosphates
11_ While performing aerobic processes;. It is produced from the breakdown of glucose in the cytoplasm
1) 4-carbon compound
2) Two-carbon compound
3) Carbon dioxide
4) Three-carbon compound of two phosphates
12_ In cellular respiration, the first CO2 molecule is obtained during conversion.
1) Glucose to pyruvate
2) Acetyl-based pyruvate
3) Combination of five carbon to four carbon
4) Six-carbon to five-carbon combination
13- Which of the following options is common between Kaft’s sugar and Krebs’ cycle?
1) Acetyl coenzyme A
2) release of CO2
3) Positive consumption of ADP and NAD
4) Production of NADH and FADH2
14- What is the product of the electron transport chain in mitochondria?
1) CO2
2) ATP; CO2
3) H2O; ATP
4) H2O; ATP; CO2
15_ in the way of releasing energy from glucose; in the absence of the last electron acceptor in the electron transfer chain; Which process does not stop?
1) Positive NAD regeneration aerobically
2) FADH2 production
3) Formation of acetyl coenzyme A
4) converting glucose to pyruvate
16- What is the main role of fermentation?
1) Increasing the efficiency of cellular respiration
2) supply of positive NAD molecule
3) Alcohol production
4) Revival of pyruvate
17- Which molecule does not play a role in cellular respiration without the presence of oxygen?
1) ATP
2 NAD positive
3) FAD positive
4) Sugar
18- What is the last producer of electrons in alcoholic and lactic fermentation respectively?
1) In both fermentations, pyruvate
2) two-carbon molecule and pyruvate
3) in both fermentations; NAD positive
4) Pyruvate and lactic acid
19- What happens in lactic acid fermentation?
1) Recovery of lactate
2) Revival of pyruvate
3) NADH regeneration
4) CO2 and ATP production
20- Which one gets more energy from oxidation?
1) Two molecules of pyruvate
2) A lactate molecule
3) two molecules of ethanol
4) A glucose molecule
This post is written by Fati_pezeshk