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TLS Online TPP Program

#Question id: 642

The graphs P, Q and R show the variation of rate constant (k) with temperature. The reactions represented by P, Q and R, respectively, are

#Section 2: General Biology

  1. P - Arrhenius type, Q - an enzyme catalysed and R - a chain reaction

  2. P - an enzyme catalysed, Q - Arrhenius type and R - a chain reaction

  3. P - Arrhenius type, Q - a chain reaction and R - an enzyme catalysed reaction

  4. P - a chain reaction, Q - an enzyme catalysed and R - Arrhenius type reaction

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TLS Online TPP Program

#Question id: 542

#Section 4: Fundamentals of Biological Engineering

Hamsters love to run on exercise wheels. Prolonged running at a high rate of speed requires ATP. Could a hamster with a defective gene for the enzyme lactate dehydrogenase meet the extra ATP demand for prolonged, fast wheel-running by maintaining a high rate of glycolysis? Why or why not?
TLS Online TPP Program

#Question id: 543

#Section 4: Fundamentals of Biological Engineering

If glucose labeled with 14C at C-1 (the aldehyde carbon) were metabolized in the liver, the first radioactive pyruvate formed would be labeled in:
TLS Online TPP Program

#Question id: 544

#Section 2: General Biology

One of the enzymes involved in glycolysis, aldolase, requires Zn2+ for catalysis. Under conditions of zinc deficiency, when the enzyme may lack zinc, it would be referred to as the:
TLS Online TPP Program

#Question id: 545

#Section 2: General Biology

Which one of the following is not among the six internationally accepted classes of enzymes?
TLS Online TPP Program

#Question id: 546

#Section 2: General Biology

Enzymes are potent catalysts because they:
TLS Online TPP Program

#Question id: 547

#Section 2: General Biology

The role of an enzyme in an enzyme-catalyzed reaction is to: