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TLS Online TPP Program

#Question id: 171

An amino acid with two chiral carbon atoms

#Section 2: General Biology

  1. is unstable.

  2. can exist in 4 forms all of which are superimposable.

  3. can form three possible stereoisomers.

  4. can form four possible stereoisomers.

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TLS Online TPP Program

#Question id: 79

#Section 2: General Biology

The structure of D-arabinose is shown below. How many stereoisomers are possible for this molecule?
TLS Online TPP Program

#Question id: 14795

#Section 5: Bioprocess Engineering and Process Biotechnology

Del factor is represented by 
TLS Online TPP Program

#Question id: 1314

#Section 3: Genetics, Cellular and Molecular Biology

In desmosomes, cadherins link to an adjacent cell via:
TLS Online TPP Program

#Question id: 175

#Section 2: General Biology

The ionic charges associated with a protein molecule are ________.
TLS Online TPP Program

#Question id: 18011

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

ExPASY  is