TLS Online TPP Program

#Question id: 4469


Termination is a normal and important function at the ends of genes. There, sequences called terminators trigger the elongating polymerase to dissociate from the DNA and release the RNA chain it has made, In bacteria, terminators come in two types: Rho-dependent and Rho-independent, choose correct statements about this;

Rho-dependent

a- rut sites

b- has an ATPase activity

Rho-independent

c- terminates only those transcripts still being transcribed beyond the end of a gene or operon

d- intrinsic terminator

#Unit 3. Fundamental Processes
  1. i-a, b and ii-c, d

  2. i-a and ii-b, c & d

  3. i-a, b & c and ii-d

  4. i-b, d and ii- a, c

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TLS Online TPP Program

#Question id: 4238

#Unit 3. Fundamental Processes

Use the following information to answer the question. A part of an mRNA molecule with the following sequence is being read by a ribosome: 5′-CCGACG- 3′ (mRNA). The following charged transfer RNA molecules (with their anticodons shown in the 3′ to 5′ direction) are available. Two of them can correctly match the mRNA so that a dipeptide can form.

TLS Online TPP Program

#Question id: 4239

#Unit 3. Fundamental Processes

Use the figure to answer the question. What type of bonding is responsible for maintaining the shape of the tRNA molecule shown in the figure?

TLS Online TPP Program

#Question id: 4240

#Unit 3. Fundamental Processes

Use the figure to answer the question. The figure represents tRNA that recognizes and binds a particular amino acid (in this instance, phenylalanine). Which codon on the mRNA strand codes for this amino acid?

TLS Online TPP Program

#Question id: 4241

#Unit 3. Fundamental Processes

Use the figure to answer the question. The tRNA shown in the figure has its 3′ end projecting beyond its 5′ end. Which of the following processes will occur at this 3′ end?

TLS Online TPP Program

#Question id: 4242

#Unit 3. Fundamental Processes

Which of the following properties is associated with a protein that will be secreted from a eukaryotic cell?

TLS Online TPP Program

#Question id: 4243

#Unit 3. Fundamental Processes

Which of the following molecules are required for the process of translation?