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ANAEROBIC RESPIRATION
1-Net profit of fermentation is 12 ATP. How many maltose molecules are used in this reactions?
a) 1 b) 2 c) 3 d) 4 e) 5
2-Net profit of fermentation is 12 ATP. How many fructose 1,6 diphosphate molecules are used in this reactions?
a) 2 b) 3 c)4 d) 5 e) 6
3- I. Pruvate II. Ethyle alcohol III. Lactic acid
Which of the above matters are produced with CO2 in anaerobic respiration?
a) I-II b) I-III c)II-III d) II e) III
4-Which of the following can not be produced at the end of the fermentation?
a) Acetic acid b) Lactic acid c)CO2 and water
d) Ethyle alcohol
5-Which of the following responsible for the dough swell?
a) Aerobic respiration b) Fermentation c) Water
d) Swelling powder e) Heat
6- Which of the following doesnt affect on the speed of fermentation?
a) Heat b) pH c) Amount of food
d) Enzyme e) Amount of CO2
7- In muscle cells, during the anaerobic respiration; the pyruvic acid is transformated into another substances. What is the name of this substances?
a)PGA b)Lactic acid c)Ethyle alcohol
d) AcCoA e) Citric acid
8- Lactic acid, alcohol and 2 ATP are produced as
a result of which of the following process?
a) Aerobic respiration b) Anaerobic respiration
c) Aerobic respiration and photosynthesis
d) Anaerobic respiration and photosynthesis
e) Aerobic respiration, anaerobic respiration and photosynthesis
9- CO2 and 4 ATP are produced as a result of which of the following process ?
I- Aerobic respiration II- Alcoholic fermentation
III- Acidic fermentation
a) I b) II c) I III d) I II e) II III
10- Which of the following is the aim of cellular respiration?
a)To balance the concentration of gases in atmosphere
b)Conversion of light energy to chemichal energy
c)Energy supply to chemichal reaction
d)To balance body temperature of organisms
e)Conversion of inorganic molecules to organic molecules
11- Which of the following is incorrect concerning glycolysis?
a) Glycolysis can occur anaerobically
b) The final product of glycolysis is 2 molecule of pyruvate
c) During glycolysis, 2 molecules of ATP are expended, while 6 molecules are produced, making a net gain of 4 molecules of ATP
d) Hexokinase and phosphofructokinase are important enzymes necessary for glycolysis to occur.
12-Which of the following molecules is the last electron acceptor in anaerobically respiring animal tissue?
a)Lactic acid b) Amino acid c)Ethyl alcohol d) Acid aldehyde e) Phosphoglyceraldehyde
13-When yeast is producing wine, which of the following is not formed?
a) Pyruvic acid b)Ethanol c)Carbon dioxide
d) Acetyl coenzyme A
14- The concentration of glycogen, lactic acid and oxygen continuously changes in the cell of a marathon runner. Which of the following combinations describes these changing?
c) increase increase increase
d) decrease decrease decrease
e) increase decrease decrease
15- Which of the following is an energy producing reaction in fermentation but at the same time requires ATP?
a) Conversation of pyruvic acid to lactic acid
b) CO2 production from pyruvic acid
c) Catabolism of starch into glucose
d) Initiation of breakdown of glucose
e) Production of the ethyl alcohol from pyruvic acid
16- Examine the list of energy sources for ATP synthesis.
1. Glycolytic reaction 2. Absorption of sunlight
3.Electron transport system
Which of the following above reaction is/are utilized in ATP synthesis by all organisms except chemosynthetic bacteria?
a) 1 b) 2 c)1 and 3 d) 1 and 4 e) 3 and 4
17- Glycolysis involves the
a. anabolism of glucose
b. catabolism of glucose
c. anabolism of triglyceride
d. catabolism of triglyceride
e. catabolism of amino acids
18. Glycolysis is the conversion of
a. glucose to pyruvic acid
b. glucose to acetic acid
c. glucose to lactic acid
d. triglyceride to fatty acid
e. amino acids to acetic acid
19. Products of anaerobic glycolysis include
a. carbon dioxide b. oxygen
c. NADH d. ALL of the above
20- Each of the following statements about cellular bioenergetics is true EXCEPT
A- Fermantation may yield lactic acid
B- Fermantation may yield ethy alcohol
C- Glycolysis occurs within the mitochondria
D- Oxidative phosphorylation occurs within the mitochondria
E- The Krebs cycle occurs within the mitochondria
21-Which doesnt effect the rate (speed) of fermentation?
a) Temperature b)PH(acidity) c)Enzymes
d) Nutrient quantity e)CO2
22-Fermentation occurs in ______.
a)Mitocondria b) Chloroplast c)Lysosome
d) Cytoplasm e)Noone
23-Which one doesnt form by fermentation?
a) Formation of cheese from milk
b) Formation of alcohol from sugar
c) Formation of Lactic acid in muscle cells
d)The break down of nutrients into organic substanses, exactly
e) All of them
24-In the formation of which of the below molecules does the CO2 release?
I Private II Lactic acid III Ethyl alcohol
a) I-II b) II c) II-III d) I-III
25-In all living things the fermentation reaction are the same until the private formation. But the last products are different because of?
a) Different enzymes
b) Environmental temperatures
c) Different levels of PH
d) Diversity of living things
e) Different kinds of nutrient
26-The rate at which glycolysis occurs in a cell is stimulated by concentration of:
a)ATP b).ADP c)citric acid d0oxygen e)carbon dioxide
27-In the first step of glycolysis, the phosphorylation of glucose is coupled to
a)the production of carbon dioxide b)the reduction of NAD+
c) the synthesis of ATP
d). the hydrolysis of ATP e). the loss of electrons
28-The majority of ATP molecules derived from nutrient metabolism are generated by (the):
a) anaerobic fermentation and glycolsis b)fermentation and electron transport
c).glycolysis and substrate phosphorylation
d).Kreb s cycle and electron transport chaın
e). substrate phosphorylation.
29. Bacteria that can effectively carry out metabolism in the presence or absence of oxygen are described as:
a) autotrophic b) anaerobic c) Glycolitic
d) facultative anaerobes e). fermentive microbes
30. In the electron transport chain , the final electron acceptor is
a). oxygen b). water c). Cytochrome oxidase d). the mitochondrion e).hidrogen ion
31- An enzyme funcytions to increase the rate of a reaction by
a) increasing the concentration of the substance
b) decreasing the energy of activation
c) Competing with the substrate
d) breaking down ATP
e) hydrolyzing the substrate
32- With respect to the electron transport chain and chemiosmosis, all the following are true EXCEPT
a). Each NADH yields three ATP`s
b). Each FADH2 yields two ATP`s
c). The cytochrome enzymes utilize NAD and FAD as their coenzyme
d). Hydrogen ions are pumped from the mitochondrial matrix into the intermembranal space
e).The cytochrome enzymes utilize iron as their cofactors
33. Fermentation:
a).results in the formation of lactic acid
b). does not require oxygen
c). requires oxygen
d). produces large amounts of energy
e). occurs only in bacteria
34-Bacteria that can effectively carry out metabolism in the presence or absence of oxygen are described as:
a) autotrophic b) anaerobic c). Glycolitic
d) facultative anaerobes e) fermentive microbes
35-Which of the following processes produces the maximum energy yield when one molecule of glucose is oxidized?
a) oxidative phosphorylation
b) oxidation of pyruvic acid
c) glycolsis in the mitochondrion
d) glycolysis in the cytoplasm
e). formation of lactic acid
36- The given figure below summarizes the events of fermentation in yeast cells.
Glucose
1 Glycolisis 2
2NADPH2 2Pyruvic acid
3 Fermentation 4
What do the 1,2,3 and 4 represent?
1 2 3 4
a) 2ATP 2ethyl alc 2NAD 2CO2
b) 2ATP 2CO2 2ethyl al 2ATP
c) 2ATP 2ADP 2CO2 2eyhyl alc
d) 4ADP 4ATP 2ethyl alc 2CO2
e) 2ATP 4ATP 2CO2 2ethyl alc