Practice Questions

TLS Online TPP Program

#Question id: 766

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

#XL - Q Biochemistry

MicroRNA is a generic term that covers all tiny RNAs, ones that are less than 35 nucleotides long when mature.
MicroRNA genes often occur in gene clusters within introns of protein-coding genes and are usually transcribed by RNA polymerase II.
MicroRNAs regulate target genes by binding to complementary sequences on one DNA strand of the target gene.
MicroRNAs normally regulate the expression of just a single target gene.

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TLS Online TPP Program

#Question id: 20144

#XL - P Chemistry

The shortest wavelength of H-atom in Lyman series is x, then longest wavelength in Balmer series of He⁺ is

TLS Online TPP Program

#Question id: 27578

#XL - U Food Technology

Which protein is responsible for elasticity of dough and determines its ability to contain carbon dioxide during rising:

TLS Online TPP Program

#Question id: 5090

#XL - T Zoology

Which of the following is a correct description of the fate of the germ layers?

TLS Online TPP Program

#Question id: 12342

#XL - T Zoology

Which of the following is a biological attribute that would most likely allow a species to become cosmopolitan in distribution?

TLS Online TPP Program

#Question id: 2208

#XL - Q Biochemistry

Which of the following statements is a reasonable explanation for why unsaturated fatty acids help keep a membrane more fluid at lower temperatures?