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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: 4136

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following is(are) true for protein synthesis in eukaryotes?
TLS Online TPP Program

#Question id: 3643

#Section 3: Genetics, Cellular and Molecular Biology

One DNA strand, the______________, is made continuously in a 5→3 direction from the origin.
TLS Online TPP Program

#Question id: 1080

#Section 3: Genetics, Cellular and Molecular Biology

 In the formation of biofilms, such as those forming on unbrushed teeth, cell signaling serves which function?
TLS Online TPP Program

#Question id: 27350

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

CRISPR can edit DNA. What organisms naturally has CRISPR?
TLS Online TPP Program

#Question id: 16014

#Section 6: Plant, Animal and Microbial Biotechnology

What are the main constituents of culture for animal cell growth?