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TLS Online TPP Program

#Question id: 3763

What is the function of the enzyme topoisomerase in DNA replication?

#Section 3: Genetics, Cellular and Molecular Biology

  1. relieving strain in the DNA ahead of the replication fork caused by the untwisting of the double helix

  2. elongating new DNA at a replication fork by adding nucleotides to the existing chain

  3. reattaching the hydrogen bonds between the base pairs in the double helix

  4. building RNA primers using the parental DNA strand as a template

More Questions
TLS Online TPP Program

#Question id: 15584

#Section 4: Fundamentals of Biological Engineering

Increasing the agitation in a reactor increases oxygen transfer primarily because:
TLS Online TPP Program

#Question id: 19535

#Section 4: Fundamentals of Biological Engineering

A container has 10 grams of water 5 grams of water is added and 2 grams of water is taken out, what is the final amount of water?
TLS Online TPP Program

#Question id: 20416

#Section 5: Bioprocess Engineering and Process Biotechnology

Which of the following would be correct concerning the concentration of biomass (X). growth limiting substrate (S) and product (P) in a chemostat when the cells have been washed out?
TLS Online TPP Program

#Question id: 2147

#Section 2: General Biology

Movement of water across membranes is facilitated by proteins called:
TLS Online TPP Program

#Question id: 24073

#Section 5: Bioprocess Engineering and Process Biotechnology

For the reaction 2A + 3B → 4C + 5D, the rate of the reaction in terms of ΔA would be written as: