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Cluster 2: Organism Growth (cell cycle) and Cell Differentiation

Total questions: 21

Worksheet time: 50mins

Name
Class
Date
1.
What is a series of events a cell goes through as they grow and divide?
a)
Cell Division
b)
Cell Cycle
c)
Cytokinesis
d)
Mitosis
2.

What takes place in the S phase?

a)

H bonds break and 2 identical double-stranded DNA are synthesized

b)

H bonds break and a new DNA molecule is made

c)

The cell divides into 2 identical daughter cells

d)

Mitosis is occuring

3.
Why does DNA replicate?
a)
To create another copy for the new cell
b)
To create a duplicate copy in case the original gets damaged
c)
To create a new copy to replace the damaged original
4.

DNA replication occurs during the S phase so that

a)

2 identical daughter cells can be produced in the M-phase

b)

DNA can transfer from the mitochondria to the golgi body

c)

4 different daughter cells can be produced in the G2 phase

d)

bioengineered cells can grow and produce a completely new strand of DNA

5.

This image shows

a)

DNA replication

b)

Cell division

c)

Bioengineered molecules

d)

DNA energy transfusion

6.
During which phase of the cell cycle does the cell spend the most time?
a)
Mitosis
b)
Cytokinesis
c)
Interphase
7.
During which part of the cell cycle does the cell divide?
a)
Interphase
b)
Mitosis
c)
S phase
8.

During cytokinesis

a)

DNA lines up in the middle of the cell and DNA attaches to spindle fibers

b)

Cell membrane pinches to make 2 new identical daughter cells

c)

Each DNA gets pull to the opposite sides of the cell

d)

2 new nuclei form

9.
Put the following actions in order: DNA replicates, cell grows, cell divides, cell prepares for mitosis. 
a)

DNA replicates, cell grows, cell prepares for mitosis and grows a bit more, cell divides

b)

cell grows, cell prepares for mitosis and grows a bit more, DNA replicates, cell divides

c)

cell grows, DNA replicates, cell prepares for mitosis and grows a bit more, cell divides

d)

DNA replicates, cell prepares for mitosis and grows a bit more, cell grows, cell divides

10.

Daughter cells created by mitosis have

a)

half of the parents genetic material

b)

twice the parent cell's genetic material

c)

an exact copy of the parent cell

d)

have a brand new DNA structure

11.

Idenificy the correct order of DNA Replication:



a)

DNA is separated, free nucleiotides are added, identical DNA is synthesized, DNA unwinds

b)

DNA unwinds, DNA is Separated, free nucleiotides are added, identical DNA is synthesized

c)

identical DNA is synthesized, DNA unwinds, DNA is separated, free nucleiotides are added

d)

DNA unwinds, free nucleiotides are added, identical DNA is synthesized, DNA is separated

12.

Enzymes play an important role in DNA Replication by:

a)

Speeding up the process and helping through various stages

b)

Slowing the process down by lowering the activation energy

c)

DIvides the cells into 2 daughter cells

d)

Works to build the double helix shape when the chromosomes line up

13.

When cells go through mitosis repeatedly without entering interphase, this results

a)

arthritis

b)

cancer

c)

mutation

d)

diabetes

14.
Cancer creates abnormal cells by disrupting
a)
the cell cycle
b)
red blood cell formation
c)
DNA replication
d)
ATP synthesis
15.

What is cancer?

a)

The cell cycle getting stuck in G1 phase.

b)

The inability for a cell to complete the cell cycle.

c)

The uncontrolled division of cells.

d)

A cell getting stuck in metaphase.

16.

Which of the following best describes stem cells?

a)

Cells that have already differentiated

b)

Cells that cannot undergo cell division

c)

Cells that have been mutated

d)

Original human cells that are able to develop into specialized cells

17.

Specialized cells such as muscle, blood, or nerve cells are caused by cell differentiation led by

a)

Environmental Factors

b)

nucleus

c)

ribosomes

d)

plasma membrane

18.

Cells differentiate to perform different functions because

a)

all genes are turned on inside that cell

b)

all genes are turned off inside that cell

c)

different genes are turned on inside that cell

d)

different genes are turned on or off inside that cell

19.

During the process of differentiation

a)

all sections of DNA are activated to determine the structure of a body cell

b)

ONLY ONE section of DNA are deactivated to determine the structure of a body cell

c)

only specific sections of DNA sequence are activated to determine the structure and functions of a body cell

20.

Unspecialized cells in our body that has the ability to differentiate into different types of cells are called

a)

specialized cells

b)

differentiated cells

c)

nerve cells

d)

stem cells

21.
Which best explains why muscle cells are different from blood cells?
a)
Muscle cells are produced by the brain, but blood cells are produced by the heart. 
b)
Different genes are activated in muscle cells than in blood cells. 
c)
Muscles cells experience different environmental influences than blood cells. 
d)
A mutation occurs during the development of muscle cells but not in blood cells.