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TLS Online TPP Program

#Question id: 766

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

#I Life Science/ Life Sciences Group – I-V

  1. MicroRNA is a generic term that covers all tiny RNAs, ones that are less than 35 nucleotides long when mature.

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

  3. MicroRNAs regulate target genes by binding to complementary sequences on one DNA strand of the target gene.

  4. MicroRNAs normally regulate the expression of just a single target gene.

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TLS Online TPP Program

#Question id: 4312

#SCPH05 I Biotechnology

Among the newly discovered small noncoding RNAs, one type helps to reestablish ethylation patterns during gamete formation and blocks expression of some transposons. Which of the following types of RNA is responsible for this function?
TLS Online TPP Program

#Question id: 3525

#SCPH12 I Genetics

In a plant, red fruit (R) is dominant over yellow fruit (r) and tallness (T) is dominant over shortness (t). If a plant with RRTt genotype was crossed with rrtt plant results progeny, are
TLS Online TPP Program

#Question id: 19649

#SCPH05 I Biotechnology

Which of the following can be used as the halide component of a Friedel craft reaction?
TLS Online TPP Program

#Question id: 5534

#SCPH06 I Botany

In meroblastic cleavage, cleavage happens only in the
TLS Online TPP Program

#Question id: 71

#SCPH06 I Botany

Which of the following is not the priority rule for R, S Configuration?