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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?

#3. Fundamental Processes

  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: 946

#1. Molecules and their Interaction Relevant to Biology

Aspartate is the precursor for which of the following amino acids?
TLS Online TPP Program

#Question id: 34

#1. Molecules and their Interaction Relevant to Biology

Which of the following is true of any (S)-enantiomer?
TLS Online TPP Program

#Question id: 4903

#8. Inheritance Biology

 In genetic maternal effect
TLS Online TPP Program

#Question id: 5085

#5. Developmental Biology

An embryo with meroblastic cleavage, extraembryonic membranes, and a primitive streak must be that of ________.
TLS Online TPP Program

#Question id: 4802

#8. Inheritance Biology

Why is tetrad analysis useful for studying genetics?