TLS Online TPP Program

#Question id: 3883


Which of the following is correct about reverse transcriptase:

#Unit 3. Fundamental Processes
  1. can utilize only RNA templates.

  2. has a 3' -> 5' proofreading exonuclease but not a 5' -> 3' exonuclease.

  3. is activated by AZT.

  4. synthesizes DNA with the same fidelity as a typical DNA polymerase.

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TLS Online TPP Program

#Question id: 22954

#Unit 5. Developmental Biology

According to the which Model, floral organ identity is regulated by tetrameric complexes of the ABCE proteins

TLS Online TPP Program

#Question id: 22955

#Unit 5. Developmental Biology

Based On ABC model during flower development, loss of class A activity results the formation of only stamen and carpel. Which of the flowering floral organs identity genes controls the class  A activity ?

TLS Online TPP Program

#Question id: 22956

#Unit 5. Developmental Biology

Individual and overlapping expression of homeotic genes in adjacent whorl of a flower determine the pattern of floral organ development. In an Arabidopsis mutant, floral organs are distributed as follows
WHORL 1 Sepal
WHORL 2 Petal
WHORL 3 Petal
WHORL 4 Sepal
Loss of function mutation in which one of the following genes would have caused the above pattern of floral organs development 

TLS Online TPP Program

#Question id: 22957

#Unit 5. Developmental Biology

floral organ development is controlled by overlapping expressions of A class , B class and C class genes in different whorls. In an Arabidopsis mutant, the floral whorls had following pattern:
Sepal àSepal àcarpel àcarpel 
Mutation in which one of the following class of gene causes above pattern.  

TLS Online TPP Program

#Question id: 22958

#Unit 5. Developmental Biology

Which of the following statement is correct regarding to the flower development in Arabidopsis?

TLS Online TPP Program

#Question id: 7288

#Unit 5. Developmental Biology

Following statements are regarding to the expression of genes in floral quartate model in Arabidopsis thaliana.

A. Sepals- AP1(heterodimer) + SEP(homodimer)

B. Petals-AP1(monomer)+PI(monomer)+AP3(monomer)+SEP(monomer)

C. Stamens- AP3(monomer)+PI(monomer)+AG(monomer)+SEP(monomer)

D. Carpels- AG(homodimer)+SEP(homodimer)

Which of the following genetic combinations are incorrect?