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TLS Online TPP Program

#Question id: 767

With respect to how miRNAs work, which, if any, of the following statements, is false?

#SCPH05 I Biotechnology

  1. An miRNA is initially composed of two RNA strands, a passenger strand that will be destroyed and a complementary RNA, the guide strand, that is required for it to work.

  2. an active miRNA regulates target protein-coding genes by binding to complementary sequences in the mRNA

  3. A single miRNA normally binds to transcripts from just one target gene

  4. A single type of mRNA can be regulated by multiple different miRNAs.

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TLS Online TPP Program

#Question id: 3277

#SCPH28 | Zoology

Which of the following describes the most likely order of events in allopatric speciation?
TLS Online TPP Program

#Question id: 27763

#Research Methodology

The choice of research design is influenced by the________ 
TLS Online TPP Program

#Question id: 4957

#SCPH06 I Botany

How many half-lives should have elapsed if 6.25% of the parent isotope remains in a fossil at the time of analysis?
TLS Online TPP Program

#Question id: 662

#SCPH28 | Zoology

________ received a Nobel Prize in 1964 for determining the structure of vitamin B12. He/she also solved the structure of penicillin in 1947 and developed many techniques used in the study of large proteins.
TLS Online TPP Program

#Question id: 4811

#SCPH12 I Genetics

Three incompletely link gene as a B-A-C order. A cross allowed between AAbbcc X aaBBCC produce f1 progeny allowed test cross. Which of the following offspring is a result of double cross over?