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TLS Online TPP Program

#Question id: 595

It is difficult to determine either Km or Vmax from a graph of velocity vs. substrate concentration because

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. too much substrate is required to determine them.

  2. the graph is sigmoidal.

  3. an asymptotic value must be determined from the graph.

  4. the points on the graph are often not spread out on the hyperbola.

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TLS Online TPP Program

#Question id: 2655

#Unit 2. Cellular Organization

Lac Operon will be turned on when
TLS Online TPP Program

#Question id: 2656

#Unit 2. Cellular Organization

In a cell as per the Operon Concept, the regulator gene governs the chemical reactions by
TLS Online TPP Program

#Question id: 2921

#Unit 2. Cellular Organization

During which stage of the cell cycle is the chromosome content of a mammalian liver cell 1n?
TLS Online TPP Program

#Question id: 2922

#Unit 2. Cellular Organization

Human genes/proteins that regulate the cell cycle are most easily isolated by:
TLS Online TPP Program

#Question id: 2923

#Unit 2. Cellular Organization

Injection of an immature Xenopus oocyte with MPF induces:
TLS Online TPP Program

#Question id: 2925

#Unit 2. Cellular Organization

Mitotic cyclin levels in early Xenopus embryos are regulated by: