A man has 9 friends (4 men and 5 women). In how many ways can he invite them, if there have to be exactly 3 women in the invitees ?

TLS Online TPP Program

#Question id: 14607

#Section 2: General Biology

The cell wall of Gram-positive bacteria

TLS Online TPP Program

#Question id: 14608

#Section 5: Bioprocess Engineering and Process Biotechnology

In salting out precipitation method, protein precipitated out by?

TLS Online TPP Program

#Question id: 14609

#Section 5: Bioprocess Engineering and Process Biotechnology

According to Hofmeister series, which anions series are correct in decreasing order according to their effectiveness in causing precipitation?

TLS Online TPP Program

#Question id: 14610

#Section 2: General Biology

Which molecules are associated with the cell wall of Gram-positive bacteria?

1. Peptidoglycan

2. L-form amino acids

3. Teichoic acids 

4. LPS

Which combination is correct?

TLS Online TPP Program

#Question id: 14611

#Section 5: Bioprocess Engineering and Process Biotechnology

when two components A and B are separated through column chromatography their partition coefficient values are KB>KA what is the sequence of their elution  

TLS Online TPP Program

#Question id: 14612

#Section 2: General Biology

The cell wall of Gram-negative organisms

A. has a thick peptidoglycan layer.

B. has a thin peptidoglycan layer.

C. is more permeable to various molecules than the Gram-positive cell wall.

D. is characterized by an outer membrane containing LPS.

Which combination is correct?