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DNA Structure and Replication
Enzymes
Process
Semiconservative Model
Random
100

DNA replication follows a ___________ model.

  • a) Conservative
  • b) Semi-conservative
  • c) Dispersive
  • d) Transformative

b) Semi-conservative

100

nice choice!

+100

100

opps!

the previous team will answer gain :)

100

DNA polymerase can add nucleotides without the need for a primer. (True/False)

False (add nucleotides)

100

Who discovered the structure of DNA?

James Watson and Francis Crick

200

opps :(

-200

200

Which enzyme is responsible for adding new nucleotides to the growing DNA strand?

  • a) Ligase
  • b) Helicase
  • c) DNA polymerase
  • d) Topoisomerase
  • c) DNA polymerase
200
  1. In the elongation phase of DNA replication, DNA polymerase:
  • a) Unwinds the DNA
  • b) Adds complementary nucleotides to the growing strand
  • c) Relieves strain in the DNA
  • d) Joins Okazaki fragments together
  • b) Adds complementary nucleotides to the growing strand
200

Helicase is responsible for creating the RNA primer during DNA replication. (True/False)

False (primase)

200

What does DNA stand for?

  • a) Deoxyribonucleic Acid
  • b) Deoxyribose-Nucleotide Acid
  • c) Double-Nucleotide Acid
  • d) Deoxyribosome Nucleic Acid
  • a) Deoxyribonucleic Acid
300

wao!

+300

300

DNA polymerase reads the template strand and adds complementary ___________ to the growing strand.

Nucleotides

300

During the termination phase of DNA replication, ligase joins the ___________ fragments on the lagging strand.

Okazaki

300

good choice huhu!

+ 300

300

:(

- 300
400

The structure of DNA is often described as a ___________.

Double helix

400

___________ functions to "glue" together the Okazaki fragments on the lagging strand.

Ligase

400

wrong decision!

-400

400
hard!

pass muna teh!

400
  1. What is the function of ligase in DNA replication?
  • a) It adds nucleotides to the DNA strand
  • b) It unwinds the double helix
  • c) It joins Okazaki fragments together
  • d) It synthesizes the RNA primer

c) It joins Okazaki fragments together

500

The building blocks of DNA are called ___________.

Nucleotides

500

hueyyy!

+500

500

The newly synthesized strand in DNA replication is complementary to the ___________ strand.

Template

500
  1. On the lagging strand, replication occurs in short segments called:

Okazaki fragments

500

DNA replication ensures that each new cell has a complete set of ___________ information.

Genetic