DNA quiz review

One strand of DNA has the sequence ATTGAT. The sequence on the other strand is (a)  

• TAACGA
• ATTGAT
• ACCTAG
• TAACTA

What is the term that describes a unit made of sugar, a phosphate group, and a nitrogen-containing base and is the monomer of nucleic acids?

• Adenine

• DNA

• Nucleic acid

• Nucleotide

The structure of DNA is described as a ____________ formed by two strands of nucleotides.

• Double helix

• Single strand

• Triple helix

• Quadruple helix

Tags

NGSS.HS-LS1-1

The process that makes an exact copy of a cell’s DNA is called

• DNA termination

• DNA preservation

• DNA replication

• DNA error fixing

Semiconservative means that each new double helix contains (a)  

• Each new double helix contains two
• Each new double helix contains one
• Each new double helix contains two
• One new double helix contains two o

The enzyme __________ catalyzes the addition of nucleotides to the DNA strand.

• DNA polymerase

• RNA polymerase

• Ligase

• Helicase

After examining the DNA of different organisms, which of the following did Erwin Chargaff conclude about the pairing of bases?

• A pairs with T, G pairs with C

• A pairs with C, G pairs with T

• A pairs with G, T pairs with C

• Any base can pair with any other base

What holds the base pairs together?

• Hydrogen bonds

• Sugar-phosphate backbone

• Pairs of nucleotides

• Nitrogen-carbon bonds

The main difference between the four nucleotides that make up DNA is that they have different

• Sugars

• Uracil

• Bonds

• Bases

In humans, where does DNA replication take place?

• Cytoplasm

• Ribosome

• Nucleus

• Vacuole