AP Biology DNA Practice

During normal mitotic cell division, a parent cell having four chromosomes will produce two daughter cells, each containing

• 4 chromosomes

• 2 chromosomes

• 16 chromosomes

• 8 chromosomes

Tags

NGSS.HS-LS1-4

Nucleoids are only found in which type of cell?

• Eukaryotes

• Animal Cells

• Plant Cells

• Prokaryotes

In what ways are chloroplasts and mitochondria alike?

• They function to provide energy to the cell

• They each contain their own DNA and ribosomes

• They can both reproduce by splitting in half.

• All of the above are correct for both

The enzyme that unzips the DNA to prepare for replication

• helicase

• replicase

• polymerase

• synthase

In what phase of the cell cycle does DNA replication take place?

• G1

• S

• G2

• M

The process of DNA replication is called semi conservative because it results in

• none of these

• Two DNA molecules.  One original molecule and one with two new strands

• two exact copies with new strands

• two identical molecules, each with 1 original strand and one new.

Which enzyme seals okazaki fragments together on the lagging strand?

• Topoisomerase

• Helicase

• Polymerase

• Ligase

The 5' end of DNA is marked by a(n)

• Phosphate Group

• Hydroxyl Group

• Purine

• Pyrimidine

Tags

NGSS.HS-LS1-1

The two strands of DNA are held together by:

• Hydrogen Bonds

• Phosphodiester Bonds

• Glycolsyl Bonds

• Glycosidic Linkages

Tags

NGSS.HS-LS1-1

The concept that DNA is made of two strands running in opposite directions is called:

• Antiparallel

• Isomerism

• Enantiomerism

• S/R Chirality

Tags

NGSS.HS-LS1-1