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TLS Online TPP Program

#Question id: 4947

The first genes on Earth were probably

#XL - S Microbiology

  1. DNA produced by reverse transcriptase from abiotically produced RNA.

  2. DNA molecules whose information was transcribed to RNA and later translated in polypeptides.

  3. auto-catalytic RNA molecules.

  4. RNA produced by autocatalytic, proteinaceous enzymes.

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TLS Online TPP Program

#Question id: 4940

#XL - S Microbiology

In their laboratory simulations of the early Earth, Miller and Urey observed the abiotic synthesis of
TLS Online TPP Program

#Question id: 555

#XL - Q Biochemistry

The double-reciprocal transformation of the Michaelis-Menten equation, also called the Lineweaver-Burk plot, is given by To determine Km from a double-reciprocal plot, you would:
TLS Online TPP Program

#Question id: 367

#XL - Q Biochemistry

1.0 × 10^−4 mole of H+ (as HCl) is added to 1.0 liter of pure water. Determine the final pH of the solution.
TLS Online TPP Program

#Question id: 3765

#XL - Q Biochemistry

Which of the following types of molecules help to hold the DNA strands apart while they are being replicated?
TLS Online TPP Program

#Question id: 3010

#XL - S Microbiology

Endospores