Explain the process of cancer,the effects on the human body, the various types, and the risk factorsinvolved

Unit II Assessment

Introduction

In order for organisms to grow, repair, maintain, and reproduce, cells
undergo cell division. Sometimes, cells uncontrollably divide, resulting in
cancer. In the first part of the Cancer and Cell Division Lab, you will learn
about normal cell division and will compare it to cell division that occurs in
cancer cells. You will then visit a website to find out more information about
cancer. You will learn why it occurs, why it kills, and new treatments that are
being tested and used to treat cancer.

Objectives

1.
Explain the process of cancer,
the effects on the human body, the various types, and the risk factors
involved.

2.
Explain various treatments for
cancer.

3.
Explain the various stages of
mitosis.

Materials

No extra materials will be required to complete this lab other
than internet service.

Directions

·
Go to the following website:.mhhe.com/biosci/genbio/virtual_labs/BL_23/BL_23.html”>http://www.mhhe.com/biosci/genbio/virtual_labs/BL_23/BL_23.html

·
Follow the steps under the
Procedure section.

·
Type all answers directly on the data sheet.

·
Select Save As, and save this document using
your last name and student ID as the file name.

·
Upload the data sheet as a .doc, .docx, or
rtf file when you are finished.

While viewing the video, answer the following questions. Each
question is worth 2 points.Total: 4
points

1.
In which stage of cell division
is the DNA copied?

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2.
During which stage of mitosis do the chromosomes
line up in the middle?

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After
viewing the video, click on the Information tab in the bottom right corner.
Answer the following questions. Each question is worth 2 points.Total: 6 points

1.
In which of the cancer types
listed, are males not at risk of developing?

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2.
Cigarette smoke is a major risk
factor for which type of cancer listed?

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3.
The risk for which type of cancer increases
after the age of 55?

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Continue following the directions under the Procedure Section,
and complete the following table. The table isworth 17
points.

Interphase

Prophase

Metaphase

Anaphase

Telophase

% of Cells Dividing

% of Cells at rest

Normal Lungs

Cancerous Lungs

Normal Stomach

Cancerous Stomach

Normal Ovary

Cancerous Ovary

Continue following the directions under the Procedures section
and answer the following questions. Each question is worth 3 points.Total: 9 points

1.
Based on your data and
observations, what are some of the Differences between normal cells and cancer
cells?

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2.
Which type of cancer shows the
most aggressive growth? Explain your answer.

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3.
When studying cell division in
tissue samples, scientists often calculate a mitotic index, which is the ratio
of dividing cells to the total number of cells in the sample. Scientists often
calculate the mitotic index to compare the growth rates of different types of
tissue. Which type of tissue would have a higher mitotic index, normal tissue
or cancerous tissue? Explain.

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Go to:.cancer.org/”>http://www.cancer.org/

Click on: Learn About Cancer. View each section contained in the
menu under Learn About Cancer Topics and answer the following questions. Each
question is worth 2 points.Total: 14
points

1.
How many people in the US get
cancer each year?

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2.
What causes cancer?

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3.
Since there are many different
types of cancer, how is cancer named?

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4.
List 2 signs or symptoms of
breast cancer.

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5.
Can males development breast
cancer?

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6.
What is the most common type of
cancer?

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7.
List two ways you could get
involved and help fight against cancer.

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