REVIEW: DNA & Protein Synthesis

Which sugar is contained in DNA

• Dextrose
• Ribose
• Deoxyribose
• Glucose

DNA is a polymer made of:

• Nucleotides
• Ribosomes
• Purines
• Pyrimidines

The enzyme that unzips the DNA to prepare for replication

• helicase
• replicase
• polymerase
• synthase

A sample of DNA is analyzed, the percentage of Adenine is found to be 27% What is the percentage of Guanine?

• 27%
• 54%
• 23%
• 46%

In DNA replication, results in being "semiconservative", which means...

• each one with two original strands

• each one with two new strands

• each one with one new strand and one original strand

• one with two new strands and the other with two original strands

What is NOT true about the DNA strand?

• The two strands are antiparallel.

• The backbone consists of sugar.

• The two strands are parallel

• The backbone consists of sugar & phosphate.

What are guanine, adenine, thymine, & cytosine?

• Sugars

• Phosphates

• Nitrogenous bases

• Helicase

Which enzyme opens the DNA strand?

• helicase

• DNA polymerase

• RNA polymerase

• Free nucleotides

Using the Complementary Base Rule for RNA, which of the pairing correct?

• Guanine & Cytosine

• Adenine & Uracil

• Uracil & Cytosine

• Thymine & Adenine

During Mitosis, DNA is in the form of...

• Chromatin

• Chromosome

• RNA

• nucleus