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Biochem exam 2
Terms in this set (55)
Which of the following is the standard 5 carbon sugar?
Fructose is () of glucose
The ketose form
() is the most abundant polysaccharide in nature.
() gel is used to separate proteins, while () gels is used to separate DNA and RNA.
Which of the following carbohydrates is created in animals, but not in plants?
During cellular respiration, where is NADH produced?
Which of the following bacterial pathogens would cause stomach ulcer?
During Glycolysis, each six carbon glucose will be used to produce () NADH?
Which of the following is the end product of the preparatory phase of glycolysis?
What is the end product of glycolysis? Which enzyme is involved in the last step?
Pyruvate, Pyruvate Kinase
Forming a glucose from 2 Pyruvates, it will cost () ATP, () GTP, and () NADH
About pentose phosphate pathway, which of the following statements is not true?
Low concentration of NADPH promotes glycolysis
A 16 carbon Palmitic acid will undergo () rounds of beta oxidation to produce () acetyl-CoA.
Lack of () will cause Acetyl-CoA to be used to produce acetone.
Which of the following molecules will transport fatty acid into mitochondria?
When the concentration of glucose is high, high level of () will be produced. As a consequence, the entry of fatty acid into the mitochondrial matrix will be inhibited.
Maple syrup disease is caused by a defect in the ().
Branched chain a-keto acid dehydrogenase complex
Which of the following is a versatile cofactor that can transfer CH3, CH2OH, and CHO?
Which of the following amino acids is both ketogenic and glucogenic?
Which of the following serves as the cofactor in the transamination step for the enzyme aminotransferase?
Highly toxic ammonia is converted into () first before it enters the urea cycle.
Fumarate produced from the () will enter the () through the ().
Urea Cycle, Citric Acid Cycle, Aspartate-Arginosuccinate shunt
Two amino groups enter the urea cycle. One is from () and the other one is from ().
Carbamoyl phosphate, Asparate
Beta oxidation of fatty acid happens in which of the following organelles?
For poly-unsaturated fatty acids, () is required to change cis double bonds into trans double bonds at C3 position, while () reduces cis double bonds at positions other than C3.
Which of the following enzymes is involved in the last step of beta-oxidation?
Which of the following chemicals will facilitate the formation of malonyl-CoA?
Insulin and Phosphatase
Hydrolysis of fats in the () of adipocytes will produce () and ().
Cytosol, Glycerol, Acetyl-CoA
Which of the following sugars is a ketose?
During the formation of the cyclic structure of the carbohydrates, the produced five-membered oxygen-containing rings are called ().
In the gram-negative bacteria, the peptidoglycan layer is covered by ().
In some of the glycoproteins, the oligosaccharide is N-linked to which of the following amino acids?
Infection by which of the following bacterial pathogens can cause stomach cancer?
Which of the following molecules is the end product and one of the first reactants in the Citric Acid Cycle?
Which of the following complexes in the electron transport chain does not pump protons into the intermembrane space?
Which of the following electron carriers can diffuse freely in the mitochondrial membrane?
Which of the following complex in the electron transport chain contain a succinate binding site?
From complex I to complex IV, how many protons will be delivered into the intermembrane space and how many water molecules will be produced?
10 and 2
Glucose oxidation through pentose phosphate pathway will produce () and ().
NADPH and Ribose 5-Phosphate
Among the five coenzymes of pyruvate dehydrogenase complex, which one's function as co-substrates?
NAD+ and CoA-SH
Which of the following enzymes is responsible for the cleavage of one 6 C and 2 Phosphate molecules into two 3 C and 1 Phosphate molecules?
Which part of the lipopolysaccharide determines the serotype or immunoreactivity?
Insulin will () and glucagon will () beta-oxidation
Which one of the following molecules is the end product of glycolysis?
How many GTP, NADH and FADH2 will be produced by one acetyl-CoA after one round of citric acid cycle?
() is the storage polysaccharide in plants
During the cyclization of a sugar molecule, the () becomes the () carbon.
Which of the following polysaccharides is a polymer of glucose with beta 1—4 linked chain?
About the role of oligosaccharides in recognition during pathogen infection, which of the following statements is not right?
Pertussis toxin would bind to a glycoprotein for internalization
About the colorimetric assay to detect glucose, which of the following statements is not right?
Concentrations of the reduced O-dianisdine is measured colorimetrically to determine concentration of glucose
The complex II of the mitochondria electron transfer chain is called ().
One of the major functions of the complex III is to ()
Transfer electrons from QH2 to cytochrome C
Which of the following is a positive regulator of the citric acid cycle?
Which of the following two kinases use ATP as substrates?
Hexokinase and phosphofructinase
Which of the following two kinases will use ADP to produce ATP?
Phosphoglycerate Kinase and Pyruvate Kinase
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