Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 19569
TLS Online TPP Program

#Question id: 2629

Case of constitutive mutants,

#XL - R Botany

  1. Lac Oc, required a higher concentration of repressor to achieve full binding than did the wild-type operator.

  2. Lac I-, that causes the repressor to bind IPTG more loosely than normal.

  3. Only A

  4. A & B both

More Questions
TLS Online TPP Program

#Question id: 1055

#XL - T Zoology

What part of the E. coli T4 phage attaches to the host cell receptors?
TLS Online TPP Program

#Question id: 356

#XL - Q Biochemistry

How does 0.5 M sucrose (molecular mass 342) solution compare to 0.5 M glucose (molecular mass 180) solution?
TLS Online TPP Program

#Question id: 5329

#XL - T Zoology

A sex-linked recessive allele c produces a red-green colorblindness in humans. A normal woman whose father was colorblind marries a colorblind man. What are the chances that the second child from this marriage will be a colorblind boy?
TLS Online TPP Program

#Question id: 5924

#General Aptitude

The calendar for the year 2008 will be the same for the year : 
TLS Online TPP Program

#Question id: 1697

#XL - Q Biochemistry

Cross-presentation of exogenous antigen to αβ T-cells does NOT require the involvement of: