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WorksheetsCarbohydrate metabolism
Total questions: 26
Worksheet time: 13mins
During cellular respiration, the carbon dioxide produced is
absorbed
taken out
Stored
Consumed
Oxidative phosphorylation is the production of?
NADH in respiration
ATP in respiration
NADPH in photosynthesis
ATP in photosynthesis
What is the end product of glycolysis?
Fructose I – phosphate
Glucose I – phosphate
Acetyl CoA
Pyruvic acid
Before pyruvate enters the Krebs cycle, the connecting link between Krebs cycle and glycolysis is changed to?
PEP
Oxaloacetate
Pyruvate
AcetylCoA
Reduction of NADP+ to NADPH is seen in
HMP
Glycogenesis
Krebs cycle
Calvin cycle
Which of these yields the maximum number of ATP molecules and is the ultimate respiratory substrate
Amylose
Glucose
Ketogenic amino acids
Glycogen
___________ is the incomplete oxidation of glucose into pyruvic acid involving many intermediate steps
HMP
Krebs cycle
Glycolysis
TCA pathway
A single molecule of glucose generates _________ molecules of acetyl CoA, which enters the Krebs cycle.
4
3
2
1
___________ accepts hydrogen from malate
FAD
NAD
NADP
FMN
Krebs cycle occurs in aerobic respiration due to
Electron transport chain requires aerobic conditions to operate
Oxygen is a reactant
Oxygen has a catalytic function
All of the above
Acetyl CoA is formed from pyruvate by__________ reaction
Dehydration
Reduction
Oxidative decarboxylation
Dephosphorylation
Which of the following is not formed during the Krebs cycle?
Lactate
Isocitrate
Succinate
Both a &b
ATP synthesis is powered by
Coenzyme motive force
cAMP
proton gradient
ATP hydrolysis
EMP/Glycolysis has the capability to producing a total of
6ATP
8ATP
24ATP
38ATP
The end products of aerobic respiration are as follows
Sugar and oxygen
Water and energy
Carbon dioxide, water and energy
Carbon dioxide and energy
HMP shunt is required for which kind of metabolism?
carbohydrate metabolism
fat metabolism
lipid metabolism
Amino acid metabolism
What is the product generated after the completion of 1st phase of HMP?
ribulose-5-phosphate
CO2
NADPH
All of the above
Which of the following step is common in the glycolysis and pentose phosphate pathway?
Conversion of glucose to glucose-6-P
Conversion of glucose-6-P to ribose-5-P
Conversion of glucose-6-P- to fructose-6-P
Conversion of glucose to glucose-1-P
Which of the following enzyme is involved in generating NADPH?
Glucose-6-P oxidase
Glucose-6-P dehydrogenase
Glucose-6-P reductase
Glucose-6-P synthetase
Why do glycogen metabolism takes place?
Carbohydrate metabolism
Fat metabolism
Protein metabolism
Lipid metabolism
Where glycogenesis takes place?
Cytosol
Mitochondria
Ribosomes
Endoplasmic reticulum
Which of the following stimulates the glycogenesis?
Epinephrine
Glucagon
Insulin
None of the above
Which of the following organs does not contain glycogen
Liver
Kidney
Muscle
Erythrocytes
Which of the following glucose transporters are important in fructose transport in the intestine?
GLUT5
GLUT3
GLUT4
GLUT7
What is the net gain of ATP during the conversion of glucose to pyruvate?
2ATP
4 ATP
6 ATP
1 ATP +1 GTP
What is the net ATP by the end of cellular respiration
18
32
38
28
