DNA/RNA Structure and Replication Review

Which number is pointing to a hydrogen bond?

• A) 1

• B) 2

• C) 3

• D) 4

Which number is pointing to a phosphate group?

• A) 1

• B) 5

• C) 2

• D) 7

Using the base pairing rule, what are the complementary nitrogen bases for the sequence TATG?

• ATAC

• TATG

• ATAG

• CATA

In a molecule of double-stranded DNA, the amount of adenine present is always equal to the amount of _________.

• cytosine
• guanine
• thymine
• uracil

Tags

NGSS.HS-LS1-1

Which base is not found in RNA?

• Adenine

• Thymine

• Guanine

• Cytosine

In the diagram strand I and II represent portions of DNA molecule. Strand II would normally include...

• AGC
• TCG
• TAC
• GAT

Tags

NGSS.HS-LS1-1

What shape does the structure of DNA resemble?

• Single helix

• Double helix

• Triple helix

• Quadruple helix

What component of the DNA molecule is responsible for encoding genetic information?

• A) Phosphate backbone

• B) Deoxyribose sugar

• C) Nitrogen bases

• D) Hydrogen bonds

The monomer of DNA is called...

• Deoxyribose

• Purines

• Nucleotide

• Pyrimidine

In Eukaryotes, which organelle is DNA found in?

• lysosome

• nucleus

• ribosome

• vacuole