TLS Online TPP Program

#Question id: 411


The reaction ATP -> ADP + Pi is an example of a reaction.

#SCPH05 I Biotechnology
  1. homolytic cleavage

  2. internal rearrangement

  3. free radical

  4. group transfer

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TLS Online TPP Program

#Question id: 3692

#SCPH28 | Zoology

Which of the following statement is true regarding an enzyme DNA polymerase that catalyzes the elongation of complementary DNA strand?

TLS Online TPP Program

#Question id: 3656

#SCPH06 I Botany

In nucleotide excision repair, an endonuclease makes nicks on either side of the lesion.

TLS Online TPP Program

#Question id: 15616

#SCPH01 Biochemistry

The diagram below shows the F factor and a portion of the E. coli chromosome that has three different insertion sequences (IS) of the same type as is carried on F.
                     
Describe the three different Hfrs (Hfr #1, Hfr #2 and Hfr #3) that can be formed by recombination between the IS on F and each of the IS sequences on the chromosome. Some including the positions of each of the markers (A, B, C, and D) and state which of these markers would be transferred early?

TLS Online TPP Program

#Question id: 10545

#SCPH05 I Biotechnology

Some given facts regarding effector molecules such as;

a) HC-toxin-induced plasma membrane hyperpolarization in guard cells causes massive K+ uptake and permanent stomatal opening

b) Xanthomonas, are proteins that target the plant cell nucleus and causes change in gene expression, called transcription activator-like (TAL) effectors bind to the host plant DNA and activate the expression of genes

c) Fusicoccin, a cyclic peptide, acts on the enzyme histone deacetylase in the nucleus, and may have a compromising effect on the expression of genes involved in defense

d) Gibberellins accelerate growth, resulting in bigger plants when compared with uninfested plants. The gibberellins produced by the fungi are identical to those produced endogenously by the plant

Which of the following combination is incorrect?

TLS Online TPP Program

#Question id: 17081

#SCPH01 Biochemistry

What type of drug is Aminopterin and what it is used for