DNA Structure & Replication retrieval practice

During DNA replication, multiple enzymes carry out functions that allow this process to occur. Which of the following lists those enzymes in the correct sequence.

• Ligase, Primase, Helicase, Exonuclease , DNA polymerase
• Primase, Helicase, DNA polymerase , Exonuclease, Ligase
• Helicase, Primase, DNA polymerase , Exonuclease, Ligase
• Helicase, Primase, Exonuclease, DNA polymerase, Ligase

The diagram shown depicts a short section of DNA. The structures in the diagram labeled Z are

• phosphates
• nucleotides
• nitrogenous bases
• deoxyribose sugars

Which enzyme adds nucleotides to the growing strand?

• Ligase
• Exonuclease
• RNA primase
• DNA polymerase

In which organelle can most of the DNA be found In eukaryotic cells?

• Nucleus
• Ribosomes
• Mitochondria
• Golgi aparatus

The sugar found in DNA is called _________________.

• deoxyribose
• ribose
• sucrose
• dextrose

Which of the following descriptions does NOT describe RNA?

• a nucleic acid made of nucleotides
• contains the sugar ribose
• contains the nitrogenous bases: adenine, guanine, thymine, and cytosine
• a single-stranded structure

If one strand of DNA contains bases in the following sequence: ATTCG, what would be the letters in the complementary strand?

• ATTCG
• TAAGC
• CGGTA
• UAAGC

During which phase of the cell cycle does DNA replicate?

• prophase
• metaphase
• cytokinesis
• interphase

The diagram shown depicts a short section of DNA. The structures in the diagram labeled X are

• Ribose sugars
• phosphates
• nitrogenous bases
• Deoxyribose sugars

The process by which DNA makes a copy of itself is known as ______.

• replication
• transcription
• translation
• mitosis