DNA RNA Base Practice

What is the complimentary base of adenine in DNA?

• thymine

• cytosine

• guanine

• uracil

What aspect of the DNA molecule encodes hereditary information concerning an organism's traits?

• the molecular mass

• the sequence of base pairs

• the distribution of electrical charges

• the folded three-dimensional shape

Tags

NGSS.HS-LS3-1

During replication, the DNA sequence ACT results in which sequence on the new strand?

• ACT

• TCA

• TGA

• UGA

How is the DNA sequence AATTA replicated in a new strand during semi conservative replication?

• AATTA

• AATAA

• TTATT

• TTAAT

All organisms contain DNA and RNA. What are the subunits of DNA and RNA?

• simple sugars

• amino acids

• carbohydrates

• nucleotides

Dr. Tanaka discovered a new virus. The virus has a single strand of a nucleic acid, but she does not know if it is DNA or RNA. After running tests, she concludes that it is DNA. Which of the following would lead her to that conclusion?

• It contains uracil.

• It contains adenine.

• It contains thymine.

• It contains cytosine.

What is the difference between the sugars found in DNA and RNA?

• RNA contains glucose
• RNA contains sucrose
• RNA contains deoxyribose
• RNA contains Ribose

What is the difference between DNA and RNA in terms of bases?

• RNA contains uracil in place of thymine
• RNA contains uracil in place of adenine
• RNA contains uracil in place of guanine
• RNA contains uracil in place of  cytosine

RNA has how many strands?

• one
• two

DNA and RNA belong to the biomolecule class of 

• Carbohydrates
• Lipids
• Proteins
• Nucleic Acids