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TLS Online TPP Program

#Question id: 4140

Which of the following statements about bacterial mRNA is true?

#Section 3: Genetics, Cellular and Molecular Biology

  1. A ribosome usually initiates translation near the end of the mRNA that is synthesized last.

  2. An mRNA is never degraded but is passed on to the daughter cells at cell division.

  3. During polypeptide synthesis, ribosomes move along the mRNA in the direction 5' ๏‚ฎ 3'.

  4. Ribosomes cannot initiate internally in a polycistronic transcript.

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TLS Online TPP Program

#Question id: 27310

#Section 3: Genetics, Cellular and Molecular Biology

Which type of sugar is present in RNA?
TLS Online TPP Program

#Question id: 27311

#Section 3: Genetics, Cellular and Molecular Biology

The presence of 2โ€™-hydroxyls in the RNA backbone prevents RNA from adopting a-
TLS Online TPP Program

#Question id: 27312

#Section 3: Genetics, Cellular and Molecular Biology

RNA contains uracil in place of thymine. Uracil has the same single-ringed structure as thymine, except that it lacks the_______
TLS Online TPP Program

#Question id: 27313

#Section 3: Genetics, Cellular and Molecular Biology

Which type of interactions promote and stabilize the tetraloop structure.
TLS Online TPP Program

#Question id: 27314

#Section 3: Genetics, Cellular and Molecular Biology

A feature of RNA that adds to its propensity to form double-helical structures is additional non-Watsonโ€“Crick base pairs. One such example is the G:U base pair, which has
TLS Online TPP Program

#Question id: 27315

#Section 5: Bioprocess Engineering and Process Biotechnology

In an exponentially growing batch culture of Saccharomyces cerevisiae, the cell density is 30 ๐‘”๐ฟโˆ’1(๐ท๐ถW), the specific growth rate (๐œ‡) is 0. 4โ„Žโˆ’1 and substate uptake rate (rs) is 18๐‘”๐ฟโˆ’1โ„Žโˆ’1. The cell yield coefficient ๐‘Œ๐—‘/๐‘  will be