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RC 1 Review

Total questions: 49

Worksheet time: 42mins

Name
Class
Date
1.

Which is true of prokaryotic and eukaryotic cells?

a)

Prokaryotic cells are larger than eukaryotic cells.

b)

Eukaryotic cells do not have nuclei, and prokaryotic cells do have nuclei.

c)

Prokaryotic cells lack membrane-bound organelles, and eukaryotic cells contain membrane-bound organelles.

d)

Eukaryotic cells are simpler than prokaryotic cells.

2.
Which type of cell has no nucleus?
a)
Eukaryote
b)
Prokaryote
c)
Animal
d)
Plant
3.
Plants and animal cells are examples of ___ cells 
a)
prokaryotic cells 
b)
eukaryotic cells 
4.
Which of the following are prokaryotic cells?
a)
plants
b)
animals
c)
baceteria
5.
Which type of cell contains a nucleus?
a)
Prokaryotic
b)
Eukaryotic
6.
What is diffusion?
a)
when molecules move 
b)
when molecules move from a high concentration to a low.
c)
no movement 
d)
molecules move everywhere
7.
Osmosis it the diffusion of __________.
a)
water
b)
glucose
c)
air
d)
passive transport
8.
Active transport requires _______.
a)
food
b)
energy
c)
space
d)
nothing
9.
During osmosis and diffusion substances pass through which organelle?
a)
nucleus
b)
cell membrane
c)
endoplasmic reticulum
d)
golgi body
10.
The movement of substances in and out of the cell without using energy is
a)
active transport
b)
passive transport
c)
endocytosis
d)
exocytosis
11.
Look at the picture...are there more molecules inside (area A) or outside the cell (area B)?
a)
A
b)
B
12.
Look at the picture...which way would the molecules of water move according to osmosis?
a)
From A to B
b)
From B to A
13.
What is mean by homeostasis?
a)
Controls and coordinates body activities through chemical 
b)
controls and coordinates body activities through electrical impulses
c)
For maintenance of a steady state in the internal environment
d)
remove metabolic waste products from the cel
14.

What is the name of 'A' found on the structure below

a)

Lipid Bilayer (cell membrane)

b)

Protein

c)

Phosphate hydrophilic heads

d)

Lipid hydrophobic tails

15.

What is the name of 'B' found on the structure below

a)

Protein

b)

Lipic bilayer

c)

Phosphate hydrophilic heads

d)

Lipid hydrophobic heads

16.

Why would the cell need energy to move molecules across the membrane?

a)

the molecule is going against the concentration gradient

b)

the molecule is to large to pass through the membrane

c)

the lipid membrane requires energy anytime something is moving across the membrane

17.

What is the definition of FACILITATED DIFFUSION?

a)

Movement of molecules across the cell membrane from an area of high concentration to low concentration

b)

Diffusion of water through a selectively permeable membrane

c)

Movement of molecules across the cell membrane against the concentration gradient

d)

Molecular structure that surrounds the cell and controls what enters and leaves the cell

18.

Hypertonic solutions

a)

make cells shrink

b)

make cells swell

19.

Hypotonic solutions

a)

make cells shrink

b)

make cells swell

20.

Which is true?

a)

prokaryotes evolved from eukaryotes

b)

eukaryotes are larger than prokaryotes

c)

eubacteria and archaebacteria are eukaryotes

d)

eukaryotic cells are the most abundant inhabitants on Earth

21.

Which osmotic solution is (a)?

a)

hypertonic

b)

hypotonic

c)

isotonic

22.
Is a virus considered living or non-living?
a)
Living
b)
Non-Living
c)
Neither
23.
What is a host?
a)
Organism that lives on the cell and causes it harm 
b)
Something that causes harm to the cell 
c)
Cell that the virus invades and takes over
24.
Why do scientists classify viruses as non-living?
a)
They DO respond to a stimulus
b)
They need a host's energy because they do not have their own energy 
c)
They produce wastes
d)
They are really small 
25.
What is the first step of the virus reproduction cycle?
a)
The viruses genetic material (DNA) starts to take over the functions of the cell
b)
The host cell bursts open, releasing the new viruses
c)
The virus injects its genetic material into the cell
d)
A virus attaches to the surface of a host cell
26.
What is the last step in the viral reproduction cycle?
a)
A virus attaches to the surface of a host cell
b)
The proteins and genetic material start to assemble in the cell
c)
The host cell bursts open, releasing the new viruses
d)
The virus injects its genetic material into the cell
27.
Which is bigger, a bacteria or a virus?
a)
Bacteria
b)
Virus
28.
Most bacteria are surrounded by a strong structure that acts like a shield for the virus called the…?
a)
Cell Wall
b)
Cell Membrane
c)
Protein Coat
29.
Which of the following helps prevent the spread of infectious diseases?
a)
Surgery
b)
Medication
c)
Vaccines
30.
What do viruses need to reproduce?
a)
they need genetic material
b)
They need a host cell
c)
They need  bacteria
d)
They need insulin
31.
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
32.
What is the longest stage of the cell cycle called?
a)
Cytokinesis
b)
M phase
c)
Interphase
d)
G1 Phase
33.
During what stage does the G1, S and G2 phases happen?
a)
Interphase
b)
M phase
c)
Mitosis
d)
Cytokinesis
34.
During what phase of the cell cycle does cell division occur?
a)
Interphase
b)
M phase
c)
S phase
d)
G2 phase
35.
During what phase of the cell cycle is DNA replicated?
a)
G1 phase
b)
S phase
c)
G2 phase
d)
M phase
36.

What phase of mitosis is show here?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

37.

Which of the following is metaphase?

a)
b)
c)
d)
38.

Cytokinesis results in the production of two of these.

a)

Centrioles

b)

Daughter Cells

c)

Clone cells

d)

Twin cells

39.

What threadlike structures rip chromatids apart and pull them back to the centrioles?

a)

Spindle Fibers

b)

Ribosomes

c)

Zygotes

d)

Centromeres

40.

Which is the correct order of the stages in mitosis

a)

Interphase, Prophase, Anaphase, Metaphase

b)

Prophase, Anaphase, Metaphase, Telophase

c)

Prophase, Metaphase, Telophase, Anaphase

d)

Prophase, Metaphase, Anaphase, Telophase

41.
Structure A refers to the _____.
a)
chromatid
b)
chromosome
c)
centromere
42.
Before a cell can divide, what must happen?
a)
Nothing, it is always ready to divide
b)
The number of chromosomes must be cut in half
c)
The number of chromosomes must double
d)
The number of chromosomes must triple.
43.
In which type of cells will mitosis occur?
a)
egg cells
b)
sperm cells
c)
jail cells
d)
Body cells except the sperm and egg cells
44.

Mitosis starts with one cell and ends with...

a)

one cell

b)

two cells

c)

three cells

d)

four cells

45.
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. 
46.
How do stem cells know what type of cells to differentiate into?
a)
The nucleus has instructions to turn some genes on and some genes off.
b)
Signals from chemicals in the organism or from the environment determine which genes will be turned on and off.
c)
Genes turn on and off randomly.
d)
The cell has unique DNA that determines what the cell will become.
47.
Cancer creates abnormal cells by disrupting
a)
the cell cycle
b)
red blood cell formation
c)
DNA replication
d)
ATP synthesis
48.
An abnormal mass of cancer cells is called a 
a)
tumor
b)
cyst
c)
lesion
d)
polyp
49.
What is cancer?
a)
The heart does not receive enough blood.
b)
Sudden disruption of blood flow to part of the brain.
c)
Blood filled weak spot.
d)
Uncontrolled growth and spread of abnormal cells.

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