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TLS Online TPP Program

#Question id: 4132

In E. coli, aminoacyl-tRNA synthetases:

#XL - T Zoology

  1. activate amino acids in 12 steps

  2. are amino acid–specific; there is at least one enzyme specific for each amino acid.

  3. fall into two classes, each of which attaches amino acids to different ends of the tRNA.

  4. have no proofreading activities.

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TLS Online TPP Program

#Question id: 12021

#XL - T Zoology

Nutrient-rich blood from the intestine is carried through the ________ to the liver.
TLS Online TPP Program

#Question id: 12022

#XL - T Zoology

The bile salts ________.
TLS Online TPP Program

#Question id: 12023

#XL - T Zoology

The absorption of fats differs from that of carbohydrates in that ________.
TLS Online TPP Program

#Question id: 12024

#XL - T Zoology

Constipation can result from the consumption of a substance that ________.
TLS Online TPP Program

#Question id: 12025

#XL - T Zoology

After surgical removal of an infected gallbladder, a person must be especially careful to restrict dietary intake of ________.
TLS Online TPP Program

#Question id: 12026

#XL - T Zoology

Pepsinogen is converted to its active form in the stomach by ________.