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TLS Online TPP Program

#Question id: 580

In a first order chemical reaction, the velocity of the reaction is proportional to the ________, while in a zero order reaction, the velocity of the reaction is proportional to the ________.

#Section 2: General Biology

  1. amount of enzyme; concentration of substrate

  2. concentration of substrate; amount of enzyme

  3. concentration of substrate; speed of the reaction

  4. speed of the reaction; concentration of substrate

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TLS Online TPP Program

#Question id: 4322

#Section 3: Genetics, Cellular and Molecular Biology

If a particular operon encodes enzymes for making an essential amino acid and is regulated like the trp operon, then
TLS Online TPP Program

#Question id: 4324

#Section 3: Genetics, Cellular and Molecular Biology

The functioning of enhancers is an example of
TLS Online TPP Program

#Question id: 4325

#Section 3: Genetics, Cellular and Molecular Biology

Cell differentiation always involves
TLS Online TPP Program

#Question id: 4326

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following is an example of post-transcriptional control of gene expression?
TLS Online TPP Program

#Question id: 4327

#Section 3: Genetics, Cellular and Molecular Biology

What would occur if the repressor of an inducible operon were mutated so it could not bind the operator?
TLS Online TPP Program

#Question id: 4328

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following statements about the DNA in one of your brain cells is true?