U3 Midterm Review Lesson

Multiple Choice

What happens in the G1 phase of interphase?

• The G1 phase is a period of cell growth and preparation

• The G1 phase is when the cell undergoes apoptosis.
• The G1 phase is a period of cell division.
• The G1 phase is when DNA is replicated.

Multiple Choice

What happens in the S phase of interphase?

• Cell division occurs, leading to two daughter cells.
• Protein synthesis is completed, preparing for mitosis.
• Chromosomes condense and become visible under a microscope.
• DNA replication occurs, resulting in the duplication of chromosomes.

Reorder

Reorder the following steps of mitosis

• prophase

• metaphase

• anaphase

• telophase

• cytokinesis

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Multiple Choice

How many divisions are there in mitosis?

• 2
• 3
• 1
• 4

Multiple Choice

What forms in a plant cell during cell division that does not occur in an animal cell?

• Cell wall
• Cleavage furrow
• Cell plate
• Centrioles

Multiple Choice

How many divisions occur in meiosis?

• 4
• 3
• 1
• 2

Multiple Choice

What do crossing over and independent assortment create in meiosis?

• A decrease in chromosome number.
• Genetic variation in gametes.
• Identical gametes with no variation.
• Increased likelihood of mutations.

Multiple Choice

What is cancer?

• Cancer is a form of inflammation caused by infections.
• Cancer is a disease caused by the uncontrolled division of abnormal cells.
• Cancer is a type of virus that spreads through contact.
• Cancer is a genetic disorder that only affects animals.