27. Which of the following biological polymers is associated with the monomer A)

Question

27. Which of the following biological polymers is associated with the monomer A) DNA -nucleotide B) Cellulose- amino acid C) Enzyme - amino acid Protein-amino acid E) RNA-Nucleotide 28. Cellulose belongs to which of the following groups of macromolecules ACarbohydrates ) Proteins C) Nucleic acids D) Lipids E) Enzymes 29. Heinz Fraenkel-Conret experiment on the Tobacco Mosaic Vinus demonstrated that A) A functional virus can be regenerated from RNA and protein components B) The regenerated virus will be infecting C) One strain RNA can be mixed with other strain protein to regenerate an infectious virus )/The biological system (RNA and protein) has all the information necessary to assemble infectious virus E) All of the above 30. Which of the following is NOT an informational polymer A) RNA B) DNA C) Messenger RNA Dy Glycogen 31. A polypeptide may contain A) Hydrophobic nonpolar amino acid B) Hydrophilic amino acids Alternating units sucrose and glucose D) Hydrophilic charged amino acids E) Hydrophilic uncharged amino acids

Explanation / Answer

27:D

28-A

29-D

30-D

31-A (because protein foldings requires hydrophobic effect i.e. hydrophobic non polar amino aicds are present on the surfaces of helices and beta sheets

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