DNA Replication and The Cell Cycle

Which of the following units are repeatedly joined together to form a strand of DNA?

• amino acids
• nucleotides
• fatty acids
• polysaccharides

What determines the code, or information, of a DNA molecule?

• the shape (structure) of the nitrogen bases
• the order (sequence) of the nitrogen bases
• the color of the nitrogen bases
• the frequency (number) of nitrogen bases

Tags

NGSS.HS-LS1-1

Which 2 molecules form the sides (backbone) of the DNA ladder?

• deoxyribose sugar and adenine
• deoxyribose sugar and a hydrogen bond
• deoxyribose sugar and the nucleus
• deoxyribose sugar and phosphate

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

• G1
• S
• G2
• M

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

• G1
• S
• G2
• M

Which is Metaphase?

• A
• E
• C
• F

Tags

NGSS.HS-LS1-4

Why would it be important to replicate DNA before a cell divides in mitosis or meiosis?

• In order for genetic information to be transferred into daughter cells.
• In order for the cell to be able to increase in size.
• In order for the DNA to be contained in the nucleus.
• In order for the cell to re-order the DNA sequencing in the new cells.

Tags

NGSS.HS-LS1-4

NGSS.HS-LS3-2

Structure A refers to the _____.

• chromatid
• chromosome
• centromere

Tags

NGSS.MS-LS3-1

Name the previous phase.

• Prophase
• Metaphase
• Anaphase
• Telophase

Tags

NGSS.HS-LS1-4

A cell that divides rapidly and uncontrollably is...

• Normal

• Cancerous

• Mitotic

• Embryonic