helical structure is kept by the formation of _________ bonds among amino acids molecules?
A. H bonds
B. Disulphide bond
C. Ionic bond
D. Hydrophobic bonds
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Which of the following occurs in anaerobic respiration but not in aerobic respiration?
A. Release of co2
B. Reduction of nad
C. Formation of atp
D. Production of ethanol from acetaldehyde
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Which of the following does not show quaternary structure____________?
A. Haemoglobin
B. Pepsin
C. Fibrin
D. Insulin
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Which structural organization is most common in globular proteins____________?
A. Primary
B. Secondary
C. Tertiary
D. Quaternary
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Amphoixus is a__________?
A. Chordate
B. Protochordate
C. Lower chordate
D. All of these
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The simplest of oxygen producting photosynthetic organisms are____________?
A. Algae
B. Bacteria
C. Cyanobacteria
D. Chlamydomonas
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Antibodies play important role against microorganisms and other pathogens to which type of proteins do they belong________?
A. Globular proteins
B. Fibrous proteins
C. Both a and b
D. None of these
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Membranes of the grane are sites where?
A. Oxygen is stored
B. Food is stored
C. Sunlight is trapped
D. Co2 is stored.
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Each turn of DNA contain ____________ nitrogenous base pairs?
A. 5
B. 10
C. 20
D. 25
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Protein coasts of viruses are synthesized in____________?
A. Lytic cycle
B. Lysogenic cycle
C. Both a & b
D. All of these
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Word of the Day
23 Aug
Strained
showing signs of nervous tension or tiredness.
سوجن، بناوٹی

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