Biology CLEP Molecular and Cellular Biology

A nucleotide does NOT contain

• a sugar
• polymerase
• a nitrogen base
• a phosphate group

What type of macro-molecules are DNA and RNA?

• Protein
• Carbohydrate
• Nucleic Acid
• Lipid

In eukaryotes, DNA is located in the

• cytoplasm
• nucleus
• cell membrane
• ribosome

In prokaryotes, DNA is located in the

• cytoplasm
• nucleus
• cell membrane
• ribosome

The four nitrogenous bases of DNA are

• Adenine, guanine, cytosine, and uracil
• Adenine, guanine, cytosine, and thymine
• Adenine, guanine, ribose and deoxyribose
• Adenine, deoxyribose, cytosine, and uracil

Which of the following would be a nucleotide found in DNA

• Ribose + phosphate + uracil
• Deoxyribose + phosphate + uracil  
• Deoxyribose + phosphate + adenine
• Ribose + phosphate + adenine

Which of the following would complement the mRNA codon for CAG (DNA)

• CAG

• AUG

• GUC

• UAC

An RNA molecule is

• double helix
• always double stranded
• usually double stranded
• single stranded

An mRNA molecule is produced in the step of protein synthesis:

• replication
• transcription
• duplication
• translation

Anticodons on tRNA pair with

• mRNA codons

• tRNA condons

• DNA codons

• amino acids