Exploring DNA Replication Processes

Which of the following is NOT one of the four organic compounds?

• Carbohydrates

• Lipids

• Enzymes

• Proteins

What are the four bases that determine an organism's characteristics?

• Adenine, Thymine, Cytosine, Guanine

• Adenine, Thymine, Cytosine, Uracil

• Adenine, Guanine, Cytosine, Uracil

• Adenine, Guanine, Thymine, Uracil

Where does DNA replication take place?

• Mitochondria

• Nucleus

• Cytoplasm

• Ribosome

During which phase does DNA replication occur?

• Interphase

• Metaphase

• Anaphase

• Prophase

What is the role of helicase in DNA replication?

• Joins Okazaki fragments

• Untwists the DNA helix

• Synthesizes RNA primers

• Builds new DNA strands

Which enzyme is responsible for elongating a new DNA strand?

• Primase

• DNA polymerase

• Ligase

• Helicase

What is the direction in which DNA polymerase can build a new strand?

• 5' to 3'

• 3' to 5'

• Randomly

• Both directions

What is a mutation?

• A type of enzyme

• A process of DNA replication

• A change in the base sequence of DNA

• A phase of cell division

Tags

NGSS.HS-LS3-2

Which of the following is a known mutagen?

• Water

• Carbon dioxide

• Oxygen

• UV radiation

Tags

NGSS.HS-LS3-2

What type of mutation is characterized by a single base change?

• Duplication

• Substitution

• Insertion

• Deletion

Tags

NGSS.HS-LS3-2