TLS Online TPP Program

#Question id: 1883


What is a major unresolved question concerning antibody-dependent cellular cytotoxicity (ADCC)?

#Section 2: General Biology
  1. Whether antibody is involved

  2. Whether it can be carried out by NK cells

  3. Whether it leads to cell death

  4. To what extent it occurs in vivo

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TLS Online TPP Program

#Question id: 20850

#Section 4: Fundamentals of Biological Engineering

Match the group 1 with appropriate description of group 2.

Group 1Group 2
(P) Copper(1) cell wall of plant cells
(Q) Cobalt(2) nitrate reductase
(R) Molybdenum(3) respiratory-chain components
(S) Calcium(4) vitamin B12

TLS Online TPP Program

#Question id: 21005

#Section 4: Fundamentals of Biological Engineering

Which of the following graph represent substrate inhibition?

TLS Online TPP Program

#Question id: 21006

#Section 4: Fundamentals of Biological Engineering

Match the group 1 with appropriate description of group 2.

Group 1Group 2
(P) Pectinases(1) Meat tenderizer
(Q) Lipases(2) clarification of fruit juice
(R) Amylases(3) cheese and butter industry
(S) Trypsin(4) starch-liquefying enzyme

TLS Online TPP Program

#Question id: 21007

#Section 4: Fundamentals of Biological Engineering

Role of Glucose isomerase enzymes is 

TLS Online TPP Program

#Question id: 21008

#Section 4: Fundamentals of Biological Engineering

Which of the following statement is correct for defined media?

TLS Online TPP Program

#Question id: 21009

#Section 4: Fundamentals of Biological Engineering

Acetobacter aceti converts alcohol to acetic acid according to the stoichiometric  relation 
 C2H5OH + O2   →       CH3COOH + H2
In a vigorously agitated and aerated reactor containing 20 g/l ethanol, the organism  produces 16 g/l acetic acid and 2 g/l was the residual ethanol concentration. What are the  theoretical and observed yields of acetic acid expressed in g/g ethanol?