Q.46 The compounds which on hydrolysis yield polyhydroxy aldehyde or ketone subunits are:
A) Lipids C) Polynucleotides
B) Proteins D) Carbohydrates
Q.47 Which one of the following is the formula structure of D (α) glucose?
A)
O
H
OH
H
OH
OH
H
H
OH
CH
2OH
H
C)
O
CH2OH
OH
H
OH
H
OH
OH
H
CH
2OH
H
B)
O
OH
H
H
OH
OH
H
OH
H
D)
O OH
H
H
OH
H
OH
H2CHO
H
Q.48 Secondary structure of protein is found in:
A) Trypsin C) Insulin
B) Keratin D) Glucagon
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Q.49 Waxes are formed by combination of fatty acids with:
A) Alcohol C) Serine
B) Glycerol D) Cysteine
Q.50 Phosphodiester bond is:
A) P—O—C—P—O—C C) C—O—P—O—C
B) C—O—P D) C—C—O—P