DNA Replication Quiz

Froggy Jumps

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DNA replication basics

Créé par

Xyza Palomata

United States

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DNA Replication Quiz


Froggy Jumps DNA Replication QuizVersion en ligne DNA replication basics par Xyza Palomata 1 Which enzyme unwinds the double helix at the replication fork? a Primase b Ligase c Helicase 2 What enzyme synthesizes the new DNA strand by adding nucleotides? a DNA polymerase b Helicase c Ligase 3 Which strand is synthesized continuously toward the replication fork? a Leading strand b Lagging strand c Okazaki fragments 4 What are the fragments on the lagging strand called? a Leading strands b Primers c Okazaki fragments 5 Which enzyme lays down RNA primers to start synthesis? a Ligase b Primase c DNA polymerase 6 Which enzyme seals nicks in the sugar-phosphate backbone? a Primase b Helicase c DNA ligase 7 New DNA is synthesized in which direction? a 3' to 5' direction b 5' to 3' direction c Both directions 8 Semiconservative replication produces DNA molecules that contain: a One old strand and one new strand b Two old strands c Two new strands 9 Which proteins stabilize unwound DNA to prevent re-annealing? a Topoisomerase b Single-strand binding proteins c DNA ligase 10 Which enzyme relieves supercoiling tension ahead of the fork? a Helicase b Primase c Topoisomerase 11 Why does DNA need to replicate before a cell divides? a So each daughter cell can receive a copy of the genetic information b To make the cell larger c To destroy damaged DNA 12 During which part of the cell cycle does DNA replication occur? a S (synthesis) phase of interphase b M (mitosis) Phase c G1 (Gap 1) Phase 13 In a eukaryotic cell, where does DNA replication occur? a Nucleus b Cytoplasm c Ribosome 14 Where does DNA replication begin? a At the origin of replication b At the end of the chromosome c At the ribosome 15 What is the function of DNA ligase? a It joins DNA fragments together. b It copies the entire chromosome. c It unzips DNA.

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DNA Replication Quiz

Froggy Jumps

À propos de cette activité

Créé par

Téléchargez la version pour jouer sur papier

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DNA Replication QuizVersion en ligne

par Xyza Palomata

Which enzyme unwinds the double helix at the replication fork?

What enzyme synthesizes the new DNA strand by adding nucleotides?

Which strand is synthesized continuously toward the replication fork?

What are the fragments on the lagging strand called?

Which enzyme lays down RNA primers to start synthesis?

Which enzyme seals nicks in the sugar-phosphate backbone?

New DNA is synthesized in which direction?

Semiconservative replication produces DNA molecules that contain:

Which proteins stabilize unwound DNA to prevent re-annealing?

Which enzyme relieves supercoiling tension ahead of the fork?

Why does DNA need to replicate before a cell divides?

During which part of the cell cycle does DNA replication occur?

In a eukaryotic cell, where does DNA replication occur?

Where does DNA replication begin?

What is the function of DNA ligase?