1. 12/3 & 12/4 - 7th Grade Agenda
Learning Objective: Learn about the Cell Cycle
Collect HW: Reading & Note Taking p.79 – 80
Chap 4 Section 1 & 2 Formative Assessment
Video: BBC Life (Plants)
Class Reading p
HW: Reading & Note Taking p.81 – 83
Reminder: Science Fair Proposal due 12/15 & 12/16

2. Reflection
Prompt: Write 3 facts that you know about the cell cycle.

3. Reflection
Prompt: Draw and label Figure 3 in Page and Figure 7 in Page 125 on the back of the Reflection.

4. Cell Cycle ? ? ? ? ? ? Interphase Prophase Cytokinesis Metaphase
Telophase
Anaphase ? ?

5. Interphase ob Stage 1: Interphase: Period before cell division occurs.
Cell is doing its J___ while growing (doubles in size)
Replicates (make a copy) its DNA ob

6. Mitosis : Prophase air up Prophase:
Identical Chromatids p______. They are held together by a centromere
air up

7. Mitosis : Metaphase iddle
Metaphase: Chromosomes line up in the m______
iddle

8. Mitosis : Anaphase part
Anaphase: The centromeres split and the chromosomes are pulled a______
part

9. Mitosis: Telophase ar Telophase:
Each set of chromosomes are F___ away and a nucleus forms around them ar

10. Cytokinesis oves Cytokinesis
The cell membrane m______ inwards then pinches in two. This form 2 identical cells
oves

11. DNA – Deoxyribonucleic Acid
Nitrogen Based Molecules (4 Letters of DNA Alphabet)
A pairs up with ____
G pairs up with ____ T C

12. Cell Cycle Stage 1: Interphase: Period before cell division occurs.
Cell doubles in size
Copy the DNA in its nucleus

13. Cell Cycle Stage 2: Mitosis
One copy of the DNA is distributed into each of the two daughter cells

14. Cell Cycle
Stage 3: Cytokinesis
Cytoplasm divides

15. Cell Cycle Facts 100 rain Some cells divides every 2 hours or less
Human Liver cells divides every 22 hours
There are about _____ million cells dividing in your body right now!!
Most cells divide but human b_____ cells never divide.
100
rain

16. Cell Cycle Facts Some cells divides every 2 hours or less
Human Liver cells divides every 22 hours
There are about 100 million cells dividing in your body right now!!
Most cells divide but human brain cells never divide.

17. Chromosomes