TLS Online TPP Program

#Question id: 1557


which one of these antibody can cross placenta?

#Unit 4. Cell Communication and Cell Signaling
  1. IgG    

  2. IgM

  3. IgA

  4. IgD

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TLS Online TPP Program

#Question id: 10371

#Unit 6. System Physiology – Plant

There are three essential nod gene for every bacterial species that is−NodA, NodB and NodC, that are required for synthesizing this basic structure such as;

a) NodA is an N-acyltransferase that catalyzes the addition of a fatty acyl chain

b) NodB is a chitin-oligosaccharide synthase that links the acetyl group of the terminal nonreducing sugar

c) NodC is a chitin-oligosaccharide synthase that links N-acetyl-D-glucosamine monomers

d) NodB is a chitin-oligosaccharide deacetylase that removes the acetyl group from the terminal nonreducing sugar

e) NodC is a chitin-oligosaccharide deacetylase that removes links N-acetyl-D-glucosamine monomers

Which of the following statements about NOD Factor is incorrect?

TLS Online TPP Program

#Question id: 8716

#Unit 9. Diversity of Life Forms

The most important feature that permits a gene to act as a molecular clock is ________.

TLS Online TPP Program

#Question id: 12751

#Unit 13. Methods in Biology

A DNA sample has a 260/280 ratio of 2. Which of the following treatments can be used to get a better purity of DNA sample?

TLS Online TPP Program

#Question id: 23432

#General Aptitude

If D is the brother of B, how B is related to C? To answer this question which of the statements is/are necessary?
1.The son of D is the grandson of C
2. B is the sister of D

TLS Online TPP Program

#Question id: 11335

#Unit 10. Ecological Principles

Which of the following have minimum NET PRIMARY PRODUCTIVITY ?