DNA Replication

Front

DNA replication is said to be ______ because it reuses the old, or parent, DNA strand.

Back

Semi-Conservative

Front

The picture below shows an enzyme unwinding and unzipping DNA.

​

​What is the name of this enzyme?

Back

DNA Helicase

Front

Match the nucleotide with its complementary nucleotide (DNA to DNA): Adenine -

Back

Thymine

Front

Match the nucleotide with its complementary nucleotide (DNA to DNA): Cytosine-

Back

Guanine

Front

Which enzyme is responsible for adding the free nucleotides to the replicating DNA?

Back

DNA polymerase

Front

Which is the first step?

• DNA Helicase unwinds original DNA strand
• RNA Primase lays down RNA primer for new nucleotide bases.
• DNA polymerase builds new strands by bringing in new nucleotide bases.
• Ligase knits together fragments on lagging strand

Back

DNA Helicase unwinds original DNA strand

Front

Which is the second step?

• DNA Helicase unwinds original DNA strand
• RNA Primase lays down RNA primer for new nucleotide bases.
• DNA polymerase builds new strands by bringing in new nucleotide bases.
• Ligase knits together fragments on lagging strand

Back

RNA Primase lays down RNA primer for new nucleotide bases.

Front

Which is the third step?

• DNA Helicase unwinds original DNA strand
• RNA Primase lays down RNA primer for new nucleotide bases.
• DNA polymerase builds new strands by bring in new nucleotide bases.
• Ligase knits together fragments on lagging strand

Back

DNA polymerase builds new strands by bring in new nucleotide bases.

Front

Which is the fourth step?

Options: DNA Helicase unwinds original DNA strand, RNA Primase lays down RNA primer for new nucleotide bases, DNA polymerase builds new strands by bring in new nucleotide bases, Ligase knits together fragments on lagging strand

Back

Ligase knits together fragments on lagging strand

Front

Which letter in the picture below depicts the leading strand in DNA replication? Options:

A

,

C

,

B

,

None of the above

Back

A