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TLS Online TPP Program

#Question id: 3869

Which one of the following statements about E. coli RNA polymerase (core enzyme) is false?

#Section 3: Genetics, Cellular and Molecular Biology

  1. It can start new chains de novo or elongate old ones.

  2. It has no catalytic activity unless the sigma factor is bound.

  3. It uses nucleoside 5'-triphosphates as substrates.

  4. Its activity is blocked by rifampicin.

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TLS Online TPP Program

#Question id: 2258

#Section 3: Genetics, Cellular and Molecular Biology

The arrangement of microtubules in eukaryotic flagella is referred to as
TLS Online TPP Program

#Question id: 2259

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following is not a characteristic of prokaryotes?
TLS Online TPP Program

#Question id: 2260

#Section 3: Genetics, Cellular and Molecular Biology

The term "nuclear envelope" is more correct than the term "nuclear membrane" because
TLS Online TPP Program

#Question id: 2261

#Section 3: Genetics, Cellular and Molecular Biology

Oxidative metabolism is carried out ____ of mitochondria.
TLS Online TPP Program

#Question id: 2262

#Section 3: Genetics, Cellular and Molecular Biology

Ribosomes are made up of ____ subunits.
TLS Online TPP Program

#Question id: 2263

#Section 3: Genetics, Cellular and Molecular Biology

Proteins synthesized by the rough ER are