Page 160 - Science Course 3 (Book 1)

Mo4-L4: Key Concept Organizer

Direction: Complete this table by writing a description in each space provided.

Phases of the Cell Cycle

Phase Stage Description

G1 1.

Interphase S 2.

G2 3.

Mitosis 4.
Mitotic
Phase
Cytokinesis 5.

Direction: Answer each question or respond to each statement on the lines provided.

6. What is the DNA in the G1 stage called? What does it look like?

7. During which stage is DNA in the nucleus duplicated?

8. After DNA is duplicated, what is it called? What does it look like?

9. Compare the replication of mitochondria to the replication of organelles that do not have their own DNA.

Mo4-L4: Key Concept Check

Direction: Answer each question or respond to each statement on the lines provided.

1. If a parent cell has 24 chromosomes, how many chromosomes will each daughter cell have? Explain. Then
compare the chromosomes in the parent cell and the daughter cells.

2. Explain what kind of organism might use cell division as a form of reproduction.

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