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WorksheetsPost-test Biochemistry Day 1
Total questions: 20
Worksheet time: 10mins
This is not considered a true biopolymer since it is related by their physical rather than chemical properties.
Fats
Lipids
Carbohydrates
Proteins
A deficiency of this Vitamin causes growth retardation, cheilosis, glossitis, seborrheic dermatitis, and photophobia.
Vitamin B1
Vitamin B2
Vitamin B3
Vitamin B5
1. Which of the following are Pyrimidine-derived Nitrogenous bases?
I. Thymine
II. Uracil
III. Cytosine
IV. Adenine
A. IV only
B. I only
C. I and II only
D. I, II, and III only
It is the water soluble component of starch that produces deep-blue coloration when Iodine test is performed.
Amylose
Amylase
Amylopectin
Amylopsin
It is a chronic deficiency of calories despite adequate intake of proteins.
Marasmus
Primary Malnutrition
Kwashiorkor
Secondary Malnutrition
An unsaturated fatty acid considered as the major precursor for eicosanoids.
Arachidonic Acid
Arachidic Acid
Linoleic Acid
Linolenic Acid
Alkaptonuria is caused by deficiency of Homogentisate oxidase. Phenylketonuria is caused by deficiency of Phenylalanine oxidase.
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Both statements are true
Both statements are false
The following tests have been conducted to an unknown analyte.
Benedict test: (+)
Bial's test: (-)
Seliwanoff's test: (+)
Lugol's test: (-)
Which of them is the most likely compound?
Ribulose
Ribose
Fructose
Starch
A holoenzyme without its corresponding cofactor is termed a/an
Zymogen
Apoenzyme
Proenzyme
Prodrug
Hopkin's Cole is a test used to identify what amino acid?
H
W
C
D
Enzymes, as with all catalysts,
Slow down a reaction at equilibrium
Speed up a reaction at equilibrium
Does not affect a reaction at equilibrium
All of the above
The end product of purine metabolism in humans is
Allantoin
Uric Acid
Urea
Ammonia
Alcohol intoxication is usually treated with what vitamin?
B1
B2
B3
B5
A type of antibody that plays an important role in allergic response
IgA
IgE
IgG
IgM
Which of the following is true about glycolysis?
I. Phosphoglycerate kinase and Pyruvate kinase are enzymes that transfer high energy to ADP yielding ATP.
II. Conversion of Fructose-6-phosphate to Fructose 1,6 bisphosphate by the enzyme PFK-1 is the first committed step in glycolysis.
III. PFK-1 is an ATP producing enzyme.
I only
I and II only
III only
All of the above
Increase insulin means _____ in glycolysis and decrease in glucagon means ____ in glycolysis.
increase; decrease
decrease; increase
decrease; decrease
Increase; increase
A patient was delivered in the ER complaining a white cloudy vision. Laboratory exam results of the patient's intraocular fluid revealed presence of sandy white crystals. The patient has a deficiency of what enzyme?
Fructase
Sucrase
Galactase
Lactase
DNA replication starts from what direction?
3’-5’
5’-3’
3’-4’
5’-4’
Collagen is under what type of protein?
Globular
Fibrous
Circular
Filamentous
Present in skin that serves as a precursor for Vitamin D3.
4-dehydrocholesterol
5-dehydrocholesterol
6-dehydrocholesterol
7-dehydrocholesterol
