Which of the following are triploblastic and acoelomate?
A. Sponges
B. Annelida
C. Platyhelminthes
D. Aves
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Biology
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
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
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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