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WorksheetsBiochemistry - Science of Life & Biological Processes
Total questions: 25
Worksheet time: 9mins
The sugar alcohol, Sorbitol is formed from _____
Glycine
Glucose
Galactose
Mannose
The glycosidic linkage present in Lactose is
α–D–galactose (1→4) α–D-glucose
β–D-galactose (1→4) β–D–glucose
β–D-galactose (1→6) β–D–glucose
α–D-galactose (1→6) β–D–glucose
Identify the heteropolysaccharide :
Chondroitin sulfate
Keratan sulfate
Heparin
Hyaluronic acid
The correct single letter codes of the amino acid – Glycine, Tyrosine, Lysine
G, T, L
G, Y, L
G, T, K
G, Y, K
Identify the given amino acid :
Histidine
Methionine
Cysteine
Cystine
Actin and Myosin are :
Contractile protein
Structural protein
Storage protein
Transport protein
Which of the following statement is true?
B-DNA is right-handed with 3.4A֯ distance per each complete turn.
B-DNA is left-handed with 3.4nm distance per each complete turn.
B-DNA is right-handed with 34A֯ distance per each complete turn.
B-DNA is right-handed with 34nm distance per each complete turn.
Identify the given nitrogen base :
Adenine
Guanine
Cytosine
Thymine
Carotenoids and squalene are examples of
Glycolipids
Lipoproteins
Derived lipids
Miscellaneous lipids
Which of the following is not a characteristic feature of a biocatalyst?
Low molecular weight
Highly specific
pH and temperature sensitive
speedy catalytic activity
Identify the false statement.
Formation of RNA from DNA - Translation
Formation of RNA from DNA - Transcription
Formation of DNA from DNA - Replication
Formation of protein from RNA -Translation
Enzymes for glycolysis are present in the cytosomal fraction.
True
False
Which of the following is not a regulatory enzyme?
Hexokinase
Phosphohexose isomerase
Phosphofructokinase
Pyruvate kinase
The production of NH3 occurs from the amino acids, biogenic amines, amino group of purines and pyrimidines and by the action of intestinal bacteria on urea.
True
False
Each cycle of β – oxidation produces
1 FADH2, 1 NAD+ and 1 acetyl-Co A
1 FADH2, 1 NADH and 1 acetyl-Co A
1 FADH2, 1 NADH and 2 CO2 molecules
1 FAD+, 1 NAD+ and 2 CO2 molecules
How many cycles of β-oxidation takes place to oxidize one molecule of palmitic acid (C-16)
6
7
8
9
Thin layer chromatography is
Adsorption chromatography
Partition chromatography
Electrical mobility of ionic species
All the above
A person with phenylketonuria cannot convert _____ , and can lead to accumulation of _____ .
Phenylalanine to tyrosine, phenyl pyruvate
Phenylalanine to isoleucine, phenylalanine
Phenylalanine to ketones, phenyl pyruvate
Phenylalanine to lysine, phenylalanine
Name the process shown in the figure
Replication
Transcription
Translation
Denaturation
Enzyme that cleaves nucleotides from the end of nucleotide sequences are called
Hydrolases
Chelators
Endonucleases
Exonucleases
The bond represented using the dotted line is
Back bonding
Covalent bonds
Ionic bonds
Hydrogen bonds
_____ are the commonly used detergents for disrupting cell membranes and cell wall .
Sodium dodecyl sulphate
CTAB
Both of the above
None of the above
_____ helps in visualization of bands of DNA after separation .
TAE buffer
Loading dye
Bromophenol blue dye
Ethidium bromide
In a DNA sample, percentage of adenine is found to be 30%, what is the percentage of cytosine?
10%
20%
30%
40%
Identify the given ribonucleotide :
AMP
GMP
CMP
UMP
