AP Biology DNA Structure and Replication

What strand is copied faster?

• Leading

• Lagging

The picture below shows an enzyme unwinding and unzipping DNA.

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​What is the name of this enzyme?

• DNA Helicase

• DNA Ligase

• DNA polyermase

• RNA Polymerase

What makes up the SIDES of a DNA ladder?

• nitrogen bases

• sugars & phosphates

• genes & chromosomes

• RNA

Tags

NGSS.HS-LS1-1

What makes up the rungs (steps) of a DNA ladder?

• sugars & phosphates

• nitrogen bases

• sugars

• genes & chromosomes

Tags

NGSS.HS-LS1-1

What SHAPE is DNA?

• single strand

• straight ladder

• double helix (twisted ladder)

• DNA has no shape

Tags

NGSS.HS-LS1-1

In DNA. what base always pairs with A?

• A

• T

• C

• G

If one strand of a DNA molecule has the following order of bases, what will be the correct order of bases on the complementary (matching) strand?

• AATTGGCC

• TTAACCGG

• GGCCAATT

• GACTGACT

What is DNA made up of?

• nucleotides

• cytoplasm

• RNA

• cells

Which of the following best describes a DNA molecule?

• double helix

• contains ribose

• made of amino acids

• contains Uracil

Tags

NGSS.HS-LS1-1

Nitrogenous bases are joined by which type of bond?

• polar bonds

• ionic bonds

• covalent bonds

• hydrogen bonds

Tags

NGSS.HS-LS1-1