Intro to DNA

DNA contains four nitrogenous bases. Which of the following is not a base in DNA?

• Cytosine

• Guanine

• Deoxyribose

• Thymine

Which scientist did not help determine the structure of DNA?

• James Watson

• Frederick Griffith

• Francis Crick

• Rosalind Franklin

Which of the following is NOT a job of DNA?

• Storing genetic information

• Copying genetic information

• Transmitting genetic information

• Mutating genetic information

Which is not true of a DNA molecule?

• The backbone is made of sugars and phosphates

• The molecule is made of two strands

• Sugars are paired in the center of the molecule

• The molecule is shaped like a double helix

Which statement is not true about DNA replication?

• Prokaryotes replicate their DNA

• Eukaryotes replicate their DNA

• Cytosine is an enzyme that helps in replication

• DNA replication occurs before a cell divides

What statement does not describe DNA in a eukaryotic cell?

• DNA is contained in chromosomes

• Enzymes are needed to replicate DNA

• DNA must be unzipped before replication starts

• DNA is not enclosed in a nucleus

Which strands of bases are NOT correctly paired?

• TATCCC

  ATAGGG

• CCGATT

  GGCTAA

• CATTAG

  TCAATA

• ACTCCC

  TGAGGG

Which is NOT part of a DNA nucleotide?

• phosphate group

• sugar

• protein

• nitrogen base

Adenine bonds with ______________.

• Guanine
• Thymine
• Cytosine
• Adenine

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine