Name:
Date:
Subject:
The Cell Cycle
Objectives
Objective 1: ASWBAT describe what the cell cycle is.
Objective 2: ASWBAT name and summarize the 3 phases to the cell cycle.
Objective 3: ASWBAT describe how cancer is related to the cell cycle.
On a scale of 1 – 3 how well you can do on this objective now.
(1 – Not at all
2 – I know it a little bit
3 – I know it very well)
Highlight your choice.
Objective: 1
Objective: 2
Objective: 3
1
1
1
2
2
2
3
3
3
Key Vocabulary Words
On a scale of 1 – 3 how well you know the vocabulary words below.
(1 – Not at all 2 – I know it a little bit 3– I know it very well)
Cell Cycle
Interphase
Mitosis
Cytokinesis
Cancer
1
1
1
1
1
2
2
2
2
2
Pre-quiz
Do your best to answer the following questions.
1. What are all living things made of?
Answer:
2. Where do all cells come from?
Answer:
3. What two things do cells do for a living thing?
Answer:
3
3
3
3
3
The Cell Cycle
Cells are living things and just like all living things they have a life cycle. The life cycle of a
cell is called the Cell Cycle. This is the cycle in which the cell grows, performs its function
and reproduces. It is how the cells in your body grow and reproduce. This allows your
body to grow and replace old cells. The cell cycle consists of three main phases, interphase,
mitosis, and cytokinesis.
Cell Cycle
1. What is the cell cycle?
Answer:
2. What are the three phases of the cell cycle?
Answer:
Phase 1: Interphase
Interphase is the phase in between when the cell is reproducing. This is where the cell
grows to full size and performs its function to keep the organ`ism alive. Also during this
phase the cell prepares for the last two phases of the cell cycle. It copies its DNA and
prepares for mitosis.
1. What does the cell do during interphase?
Answer:
2. What does the cell copy during interphase? Why does it need to do this?
Answer:
Phase 2: Mitosis
The second phase of the cell cycle is called mitosis. During this phase the cell makes a copy
of its nucleus. It does this so that each new cell has a nucleus with a complete set of
homologous chromosomes.
Mitosis
1. What does the cell do during mitosis?
Answer:
Phase 3: Cytokinesis
During cytokinesis the cell membrane pinches off and divides the cytoplasm in two.
Creating two separate cells. After cytokinesis the cell has successfully reproduced. We call
the new cells that are produced daughter cells. The cycle is then complete and the cell
goes back into interphase.
1. What happens during cytokinesis?
Answer:
2. What does the cell do after it has completed cytokinesis?
Answer:
3. What do we call the new cells that are made after the cell reproduces?
Answer:
Video Link: Cell Cycle - http://www.youtube.com/watch?v=diXoAgH3LMk
Cancer
Cancer can come in many forms. Some of them are easily treatable while others are very
aggressive and deadly. All cancer though comes from a mutation in the cells DNA that
controls how fast and how often it goes through the cell cycle. Cancer, simply put, is when
your own cells begin to reproduce out of control. When this happens the cells can kill the
healthy cells that surround and eventually kill the entire organism. The mutations that
cause it can come from the environment, like pollution, smoking or too much sunlight.
They can also come from viruses that change the cells DNA. Some types of cancer are
genetic and you inherit a higher risk for it from your parents.
Video: Cancer Cells
1. What is cancer?
Answer:
2. How are the cell cycle and cancer connected?
Answer:
Quiz
Directions: Answer the following questions to see if you met the objectives.
1. What is the cell cycle?
Answer:
2. Summarize interphase.
Answer
3. Summarize mitosis.
Answer:
4. Summarize cytokinesis.
Answer:
5. How is the cell cycle connected to cancer?
Answer: