TLS Online TPP Program

#Question id: 4334


Which of the following is not true of RNA processing?

#SCPH01 Biochemistry
  1. Exons are cut out before mRNA leaves the nucleus.

  2. Nucleotides may be added at both ends of the RNA.

  3. Ribozymes may function in RNA splicing.

  4. RNA splicing can be catalyzed by spliceosomes.

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TLS Online TPP Program

#Question id: 3045

#I Life Science/ Life Sciences Group – I-V

Which one of the following combinations Mac-Conkey Agar allows to growth of gram negative bacteria?

(P) Bile salts                          (Q) Sodium chloride

(R) Methylene blue                  (S) Crystal violet

TLS Online TPP Program

#Question id: 3045

#SCPH28 | Zoology

Which one of the following combinations Mac-Conkey Agar allows to growth of gram negative bacteria?

(P) Bile salts                          (Q) Sodium chloride

(R) Methylene blue                  (S) Crystal violet

TLS Online TPP Program

#Question id: 3046

#SCPH06 I Botany

Which one of the following reagent used in differentiation of gram positive and Gram negative bacteria?

(P) Congo red                        (Q) Safranine

(R) Methylene blue                  (S) Iodine

TLS Online TPP Program

#Question id: 3047

#SCPH06 I Botany

A rapidly growing bacterial species such as E. coli exhibits a typical phase of growth cycle in liquid nutrient broth. If a bacterial culture has starting density 1000 cells/ml in log phase and after four hours cell density is 4000 cells/ml.  What is specific growth rate per hour? 

TLS Online TPP Program

#Question id: 3048

#SCPH06 I Botany

 If a bacterium regenerates from an endospore that did not possess any of the plasmids that were contained in its original parent cell, the regenerated bacterium will probably

TLS Online TPP Program

#Question id: 3049

#SCPH06 I Botany

E. coli cells typically make most of their ATP by metabolizing glucose. Under the conditions of this experiment, what should be true of E. coliʹs generation time