Fast and Curious DNA Structure and Replication Practice

Front

What is the base pairing rule for DNA?

Back

Adenine (A) pairs with Thymine (T) and Cytosine (C) pairs with Guanine (G).

Front

Where does DNA replication occur in eukaryotic cells?

Back

DNA replication occurs in the nucleus.

Front

If DNA contains 23% adenine (A), what is the percentage of guanine (G) in the DNA?

Back

27% guanine (G).

Front

What are the four nitrogenous bases found in DNA?

Back

Adenine (A), Cytosine (C), Guanine (G), and Thymine (T).

Front

What are the three components of a nucleotide?

Back

Phosphate group, sugar, and nitrogenous base.

Front

What type of bond holds the two strands of DNA together?

Back

Hydrogen bonds between complementary nitrogenous bases.

Front

What is the role of DNA polymerase in DNA replication?

Back

DNA polymerase synthesizes new DNA strands by adding nucleotides complementary to the template strand.

Front

What is the difference between DNA and RNA?

Back

DNA is double-stranded and contains deoxyribose sugar, while RNA is single-stranded and contains ribose sugar.

Front

What is the significance of the 5' and 3' ends of a DNA strand?

Back

The 5' end has a phosphate group, and the 3' end has a hydroxyl group; DNA strands are antiparallel.

Front

What is semi-conservative replication?

Back

Semi-conservative replication is the process where each new DNA molecule consists of one original strand and one newly synthesized strand.