TLS Online TPP Program

#Question id: 40494


Assertion (A): Cytotoxic T lymphocytes (CTLs) are essential for eliminating virally infected cells.

Reason (R): CTLs recognize viral peptides displayed on MHC-I molecules, which are expressed by nearly all nucleated cells.

#Applied Microbiology
  1. Both (A) and (R) are true, and (R) is the correct explanation of (A).
  2.  Both (A) and (R) are true, but (R) is NOT the correct explanation of (A).
  3.  (A) is true, but (R) is false.
  4. (A) is false, but (R) is true.
More Questions
TLS Online TPP Program

#Question id: 12739

#Bio-Informatics

Method used for gene editing and for the development in Gene modifications is known as_______.

TLS Online TPP Program

#Question id: 12911

#Zoology

Match the following:

A. DNA polymerasesi. Alkaline phosphatasea. RNA-dependent DNA polymerase, used in cDNA synthesis           
B. Reverse transcriptaseii. T4 DNA ligaseb. Thermostable DNA polymerase used in PCR
C. Ligasesiii. AMV-RTc. Removes 5'-phosphates from DNA and RNA
D. Phosphatasesiv. Taq DNA pold. Links 5'-phosphate and 3'-hydroxyl ends via phosphodiester bond

TLS Online TPP Program

#Question id: 12911

#Life Sciences

Match the following:

A. DNA polymerasesi. Alkaline phosphatasea. RNA-dependent DNA polymerase, used in cDNA synthesis           
B. Reverse transcriptaseii. T4 DNA ligaseb. Thermostable DNA polymerase used in PCR
C. Ligasesiii. AMV-RTc. Removes 5'-phosphates from DNA and RNA
D. Phosphatasesiv. Taq DNA pold. Links 5'-phosphate and 3'-hydroxyl ends via phosphodiester bond

TLS Online TPP Program

#Question id: 12911

#Applied Microbiology

Match the following:

A. DNA polymerasesi. Alkaline phosphatasea. RNA-dependent DNA polymerase, used in cDNA synthesis           
B. Reverse transcriptaseii. T4 DNA ligaseb. Thermostable DNA polymerase used in PCR
C. Ligasesiii. AMV-RTc. Removes 5'-phosphates from DNA and RNA
D. Phosphatasesiv. Taq DNA pold. Links 5'-phosphate and 3'-hydroxyl ends via phosphodiester bond

TLS Online TPP Program

#Question id: 12911

#Bio-Informatics

Match the following:

A. DNA polymerasesi. Alkaline phosphatasea. RNA-dependent DNA polymerase, used in cDNA synthesis           
B. Reverse transcriptaseii. T4 DNA ligaseb. Thermostable DNA polymerase used in PCR
C. Ligasesiii. AMV-RTc. Removes 5'-phosphates from DNA and RNA
D. Phosphatasesiv. Taq DNA pold. Links 5'-phosphate and 3'-hydroxyl ends via phosphodiester bond

TLS Online TPP Program

#Question id: 12912

#Zoology

Name the enzyme which separates the double-helical DNA into single strands.