TLS Online TPP Program

#Question id: 2847


Select the answer that describes a region of DNA in which genes are likely to be located.

#Unit 2. Cellular Organization
  1. DNA loops in heterochromatin

  2. DNA loops in euchromatin

  3.  Scaffold or matrix attachment regions in heterochromatin

  4. Scaffold or matrix attachment regions in euchromatin

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TLS Online TPP Program

#Question id: 12474

#Unit 10. Ecological Principles

The most common kind of dispersion in nature is

TLS Online TPP Program

#Question id: 5799

#Unit 8. Inheritance Biology

Mutations that cause loss of a chromosome would be termed:

TLS Online TPP Program

#Question id: 12711

#Unit 6. System Physiology – Plant

Various sensors monitor ROS levels in cells; an increase in ROS activates a signal transduction network. ROS scavenging is carried out by antioxidant molecules ____X_________and by antioxidant enzymes such as____Z_________

TLS Online TPP Program

#Question id: 4553

#Unit 3. Fundamental Processes

The NtrC protein (nitrogen regulatory protein C)—stimulates transcription of the glnA gene, this protein is an activator of σ54-RNA polymerase. Which of the following given characteristics about this protein is incorrect?

TLS Online TPP Program

#Question id: 23568

#Unit 8. Inheritance Biology

Match the following types of chromosomal rearrangements;

 

            COLUMN I

 

           COLUMN II

 

A) Tandem duplication

 

i) duplicated segment is located some distance from the original segment, either on the same chromosome or on a different one

 

B) Displaced duplication

 

ii) duplication can be in the same orientation as that of the original sequence

 

C) Inverted duplication

 

iii) the duplicated region is immediately adjacent to the original segment

 

D) Reverse duplication

 

 

iv)  duplication same as the reverse

Which of the following statements is correct?