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TLS Online TPP Program

#Question id: 3867

RNA polymerase from E. coli (core enzyme alone) has all of the following properties except that it:

#Section 3: Genetics, Cellular and Molecular Biology

  1. can extend an RNA chain and initiate a new chain.

  2. is required for the synthesis of mRNA, rRNA, and tRNA in E. coli.

  3. produces an RNA polymer that begins with a 5'-triphosphate.

  4. recognizes specific start signals in DNA.

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TLS Online TPP Program

#Question id: 21008

#Section 4: Fundamentals of Biological Engineering

Which of the following statement is correct for defined media?
TLS Online TPP Program

#Question id: 3549

#Section 3: Genetics, Cellular and Molecular Biology

When a plant of chromosomal type aa pollinates plant of type AA, what is the chromosome constitution of embryo and endosperm is expected in the resulting seeds
TLS Online TPP Program

#Question id: 10768

#Section 3: Genetics, Cellular and Molecular Biology

Dihybrid test cross genotypic and phenotypic ratio is
TLS Online TPP Program

#Question id: 1126

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following statement(s) is (are) true of the α subunit of a G protein?

a. It physically associates with the receptor.              

b. It binds GDP.

c. It binds GTP.                     

d. It is a transmembrane protein.
TLS Online TPP Program

#Question id: 2452

#Section 3: Genetics, Cellular and Molecular Biology

Intermediate filaments

a. are typically 6 nm in diameter.                  

b. are essential for cell motility.

c. may be used to diagnose the tissue of origin for many cancers.

d. are composed of globular subunits.                       

e. are formed from tetrameric subunits.