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TLS Online TPP Program

#Question id: 98

The elasticity and resistance to compression of connective tissue is due to

#Section 2: General Biology

  1. the branching of the glycosaminoglycans there.

  2. the glycosidic linkage to the serine of proteins in the glycosaminoglycans.

  3. the carboxyl and sulfated groups in the glycosaminoglycans.

  4. the rigid structure of the glycosaminoglycans.

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TLS Online TPP Program

#Question id: 2996

#Section 2: General Biology

Cell death approximately equal to cell division is found in
TLS Online TPP Program

#Question id: 1549

#Section 2: General Biology

the decision to translate  IgM versus IgD  heavy chains is made at the level of?
TLS Online TPP Program

#Question id: 15605

#Section 6: Plant, Animal and Microbial Biotechnology

The uptake of plasmid DNA into Streptomyces protoplasts is enhanced by 
TLS Online TPP Program

#Question id: 2122

#Section 2: General Biology

The inner (plasma) membrane of E. coli is about 75% lipid and 25% protein by weight.  How many molecules of membrane lipid are there for each molecule of protein?  (Assume that the average protein is Mr 50,000 and the average lipid is 750.)
TLS Online TPP Program

#Question id: 14397

#Section 5: Bioprocess Engineering and Process Biotechnology

A purified hydrolytic enzyme (Mr 150 000) is available with the description: Gives a Vmax of 3 200 units/mg protein under optimal conditions. How many nmol of enzyme are there in 1 mg