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TLS Online TPP Program

#Question id: 4133

Which of the following statements about aminoacyl-tRNA synthetases is false?

#Section 3: Genetics, Cellular and Molecular Biology

  1. Some of the enzymes have an editing/proofreading capability.

  2. The enzyme attaches an amino acid to the 3' end of a tRNA.

  3. The enzyme splits ATP to AMP + PPi.

  4. The enzyme will use any tRNA species, but is highly specific for a given amino acid.

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TLS Online TPP Program

#Question id: 131

#Section 2: General Biology

The RS system of nomenclature describes
TLS Online TPP Program

#Question id: 132

#Section 2: General Biology

Proline is distinct among the 20 commonly found amino acids because
TLS Online TPP Program

#Question id: 133

#Section 2: General Biology

Tyrosine and tryptophan are less hydrophobic than phenylalanine because
TLS Online TPP Program

#Question id: 134

#Section 2: General Biology

Ultraviolet (UV) light can be used to estimate protein solution concentrations because
TLS Online TPP Program

#Question id: 136

#Section 2: General Biology

The amino acids in polypeptide chains which contain sulfur (S) are
TLS Online TPP Program

#Question id: 137

#Section 2: General Biology

Disulfide bridges can form in proteins ________.