TLS Online TPP Program

#Question id: 4532


Locus control region, or LCR,

#Part-B Specialized Branches in Biotechnology
  1. Seem to have properties of promoters.

  2. Some of these have the properties of enhancers.

  3. Many parts of the LCR act more like insulator elements.

  4. A, B and C

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TLS Online TPP Program

#Question id: 789

#Part-B Specialized Branches in Biotechnology

Presence of large numbers of modified specially methylated nucleotides in tRNA contribute in

TLS Online TPP Program

#Question id: 790

#Part-B Specialized Branches in Biotechnology

Presence of a series of 3 G-C pairs in the anticodon arm of initiator fmet tRNA is essential for

TLS Online TPP Program

#Question id: 792

#Part-B Specialized Branches in Biotechnology

Which arm of the tRNA can act as a structural recognition feature?

TLS Online TPP Program

#Question id: 794

#Part-B Specialized Branches in Biotechnology

A single-stranded DNA molecule contains 40 nucleotides with equal amounts of A, C, G, and T. This DNA strand can combine with a complementary DNA strand to form a double-stranded DNA molecule. Which structural feature is found in the single-stranded DNA molecule?

TLS Online TPP Program

#Question id: 795

#Part-B Specialized Branches in Biotechnology

A single-stranded DNA molecule contains 40 nucleotides and has the sequence 5’-(GA)20-3’. When this single strand binds to a complementary DNA strand,

TLS Online TPP Program

#Question id: 797

#Part-B Specialized Branches in Biotechnology

With respect to microRNAs, which, if any, of the following statements, is FALSE?)

A. MicroRNA genes often occur in gene clusters within introns of protein-coding genes and are usually transcribed by RNA polymerase II.

B. Like an mRNA a miRNA is initially produced as a larger precursor RNA that, like the great majority of mRNAs, usually has a 5’ cap and a poly(A) tail.

C. MicroRNAs are produced by germ-line cells only.

D. A miRNA is initially produced as a duplex RNA but in order to work it needs to be converted into a single-strand RNA.

E. MicroRNAs usually work as transcription factors.