Biology Semester 1 Review

Front

What must be copied before cells can divide?

Back

DNA

Front

How many chromosomes do fruit fly daughter cells have after mitosis if they start with 8?

Back

8 chromosomes.

Front

What is the end result of DNA replication?

Back

Two new identical strands of DNA.

Front

What holds the two strands of DNA together?

Back

Hydrogen Bonds.

Front

What is the correct complementary base pairing for DNA?

Back

T-A, G-C.

Front

What is the function of DNA?

Back

To store and transmit genetic information.

Front

What process do cells undergo to divide?

Back

Mitosis.

Front

What are the building blocks of DNA?

Back

Nucleotides.

Front

What are the three parts of a nucleotide?

Back

A phosphate group, a sugar, and a nitrogenous base.

Front

What is the role of helicase in DNA replication?

Back

To unwind the DNA double helix.