Copying DNA

Multiple Choice

What is DNA replication?

• the process of creating proteins

• the process of creating RNA molecules

• the process of copying a DNA molecule to produce two identical DNA molecules

• is the process of creating new cells

Multiple Choice

What enzyme is responsible for building the new DNA strands?

• RNA polymerase
• Protease
• DNA polymerase
• Lipase

Multiple Choice

Why is the process of copying DNA important for living organisms?

• It allows organisms to grow and repair tissues

• It helps organisms to breathe

• It provides energy for the cell

• It helps in digestion

Multiple Select

What purpose do telomeres serve? (select all answers that apply)

• they protect the ends of chromosomes

• they hold chromosomes together

• they code for proteins

• they are chunks of useless DNA

Multiple Choice

Which of the following statements about telomeres and telomerase is correct?

• Telomerase adds repeated DNA sequences to telomeres during replication

• Telomeres are easy to replicate without any enzymes

• Telomerase removes DNA from the ends of chromosomes

• Telomeres are found only in prokaryotic cells

Multiple Select

Select all the correct statements about DNA replication in prokaryotic and eukaryotic cells.

• Prokaryotic cells have a single starting point for DNA replication

• Eukaryotic cells may have multiple starting points for DNA replication

• DNA in prokaryotic cells is linear

• Replication in eukaryotic cells proceeds in both directions

Multiple Choice

Animal, fungi, plant, and protista cells are all examples of which type of cell?

• Eukaryotic
• Prokaryotic
• Both prokaryotic and eukaryotic