Which of the following are connective tissues?
A. Cartilage and collagen
B. Tendons and ligaments
C. Nails and hair
D. Insulin and casein
Answer: B
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The secondary protein structure is formed
A. by the twisting of the original chain, which then begins to curl up slowly
B. after the primary structure
C. each of the amino acids in the amino acid chain interact with the others and twists
D. all of the above
Answer: D
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A protein is determined by the sequence of its
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In which of the following are antibodies not present?
A. blood serum
B. mucosal surfaces of vertebrate animals
C. bones
D. tissue fluids
Answer: C
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Which of the following are messenger proteins?
A. Haemoglobin and ovalbumin
B. Actin and collagen
C. Enzymes and elastin
D. Oxytocin and somatotropin
Answer: D
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The primary structure of protein is
A. the sequence of amino acid in the chain
B. a disulphide bridge
C. the sequence of RNA-DNA process
D. an assemblage of actin molecules
Answer: A
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Nucleic acid has the ability to
A. create identical copies of itself
B. carry electrically charged ions
C. break down a cell component
D. delineate a cell
Answer: A
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Which of the following proteins is necessary in the functioning of contractile proteins?
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Enzyme activities are regulated by these factors except
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Which of the following proteins confer strength and rigidity to biological components, which would otherwise be unable to support themselves?
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