Which two structures play direct roles in permitting bacteria to adhere to each other, or to other surfaces?

1.  capsules

2.  endospores

3.  fimbriae

4.  plasmids

5.  flagella

TLS Online TPP Program

#Question id: 27477

#Unit 13. Methods in Biology

The length of a double helical DNA molecule is 13.6 km. If the DNA double helix weighs 1 ×10−18 g per 1000 nucleotide pairs and rise per base pair is 3.4 Å, then weight of the double helical DNA molecule (in nanogram) will be ______ (in integer).

TLS Online TPP Program

#Question id: 27478

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following are the minimum essential criteria for the chirality of Aldoses and ketoses

TLS Online TPP Program

#Question id: 27479

#Unit 1. Molecules and their Interaction Relevant to Biology

For monosaccharides having  two or more asymmetric carbons, their L or D con configuration can be decided by using

TLS Online TPP Program

#Question id: 27480

#Unit 1. Molecules and their Interaction Relevant to Biology

Enantiomers are

TLS Online TPP Program

#Question id: 27481

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is the examples of Epimers?

TLS Online TPP Program

#Question id: 27482

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is holds true for the D-Ribose (Rib), D-Arabinose (Ara), D-Xylose (Xyl), D-Lyxose (Lyx)