Download 001 - ReportZ

New World American PVT School
‫مدرسة العالم الجديد األمريكية الخاصة‬
Name:.......................................................................................... Grade: 10
Section: .......... Date:...................................
Subject: Biology
Topic: Regulation of the cell cycle .
I
Q1. Circle the word or phrase that best completes the statement.
1. Metastasize means to shrink and die / spread and grow by breaking away from a tumor.
2. A substance known to produce or promote the development of cancer is called a carcinogen /
growth factor.
3. If cell division is not properly regulated, the result may be a type of disease called growth
factor / cancer .
Q2. Place each phrase from the box in the correct location to complete the concept map,
which shows important ideas about growth factors.
specific cells
platelet-derived growth factor
many
cell types
cell division
e.g.
2.
e.g.
Growth
factors
stimulate
1.
e.g.
e.g.
3.
erythropoietin
Q3. Use the word bank to complete the sequence diagram below.
kinases
1.
3.
cell division
activate
target
molecules
phosphorylate
cyclins
2.
result in
4.
New World American PVT School
‫مدرسة العالم الجديد األمريكية الخاصة‬
Name:.......................................................................................... Grade: 10
Section: .......... Date:...................................
Subject: Biology
Topic: Regulation of the cell cycle .
II
Q4. Choose the letter of the best answer.
_____ 1. Proteins that bind to cells and stimulate cell division are called
a. enzymes.
b. kinases.
c. growth factors.
d. carcinogens.
_____ 2. What is the term for the programmed death of cells?
a. kinase
b. cyclin
c. carcinogen
d. apoptosis
_____ 3. Two internal factors that are important in advancing the cell cycle are
a. kinases and cyclins.
b. hormones and enzymes.
c. phosphates and enzymes.
d. proteins and platelets.
_____ 4. Which phrase best describes cancer?
a. absence of cyclins
b. multiple gene mutations
c. uncontrolled cell growth
d. presence of genetic defects
_____ 5. Substances known to produce or promote cancer are called
a. carcinogens.
b. kinases.
c. cyclins.
d. malignancies.
Q5. Answer the following questions with proper reasoning.
1. List two examples of external factors that influence the cell cycle.
_________________________________________________________________
2. What is apoptosis?
_________________________________________________________________
3. How does a benign tumor differ from a malignant tumor?
_________________________________________________________________
_________________________________________________________________
4. What type of disease may result if cell division is not properly regulated?
_________________________________________________________________
5. List three ways mutations can occur in genes involved in cell-cycle regulation.
_________________________________________________________________
__________________________________________________________________
6. What does metastasize mean?
_________________________________________________________________
7. What is a substance known to produce or promote the development of cancer?
_________________________________________________________________
New World American PVT School
‫مدرسة العالم الجديد األمريكية الخاصة‬
Name:.......................................................................................... Grade: 10
Section: .......... Date:...................................
Subject: Biology
III
Topic: Regulation of the cell cycle.
Q6. Complete the following concept maps as directed.
Q7. Complete the concept map below about cancer cells..
Cancer cells
form
a.
e.g.
b.
e.g.
c.
results in
d.