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BT404 Food Biotechnology Quiz-06 For Mid Term And Final Term Virtual University Of Pakistan

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BT404 Food Biotechnology Quiz-06 For Mid Term And Final Term Virtual University Of Pakistan
BT404 Food Biotechnology Quiz-06 For Mid Term And Final Term Virtual University Of Pakistan

BT404 Food Biotechnology Quiz-06 For Mid Term And Final Term Virtual University Of Pakistan
Topic- Amino Acid Structure

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51. The general structure of an amino acid is consist of

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a. Amino group
b. Carboxyl group
c. Hydrogen atom
d. All of these

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52. A distinctive R group all bonded to a single carbon atom, called the

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a. a-carbon
b. b-carbon
c. carbon-carbon
d. None of these

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53. The R group is called the

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a. bonding chain
b. Binding chain
c. Side chain
d. Upper chain

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54. __________ in solution at neutral pH are predominantly zwitterions

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a. Proteins
b. Amino acids
c. Carbohydrates
d. Lipids

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55. At acidic pH, the carboxyl group is _________ and the amino group is ­­­­­___________

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a. un-ionized, ionized
b. ionized, un-ionized
c. neutral, ionized
d. un-ionized, neutral

You Must Have to Prepare:
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56. At alkaline pH, the carboxyl group is ________ and the amino group ­_________

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a. neutral, ionized
b. un-ionized, ionized
c. ionized, un-ionized
d. None of these

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57. There are _________ different amino acids that are commonly found in proteins

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a. 25
b. 16
c. 20
d. 32

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58. The four different functional groups of amino acids are arranged in a ­­­­­­­­­­­­_________ array

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a. Tetrahedral
b. Dihedral
c. Pentahedral
d. None of these

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59. All amino acids are optically active apart from ________

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a. Alanine
b. Guanine
c. Glycine
d. Alkene

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60. Polar amino acids are

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a. Charged
b. Uncharged
c. Hydrophobic
d. Hydrophilic

You Can Also Prepare:
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