WorksheetsCell Structures
Total questions: 30
Worksheet time: 15mins
Name
Class
Date
1.
What is the fundamental organizational unit of life?
a)
The neuron
b)
The cell
c)
The proton
d)
The atom
2.
The three main cell structures include the plasma membrane, cytoplasm and the-
a)
mitochondria
b)
ribosomes
c)
nucleus
d)
endoplasmic reticulum
3.
Hydrophilic heads are- and
Hydrophobic heads are-
Hydrophobic heads are-
a)
polar; nonpolar
b)
polar; polar
c)
nonpolar; polar
d)
nonpolar; nonpolar
4.
Which of the following organelles are non-membraneous?
a)
lysosomes
b)
ribosomes
c)
golgi apparatus
d)
mitochondria
5.
The phospholipid bilayer is located in-
a)
cytoplasm
b)
nucleus
c)
peroxisomes
d)
plasma membrane
6.
What are the two types of E.R?
a)
Rough and Smooth
b)
Hard and Soft
c)
Rigid and Straight
d)
Curvy and Wavy
7.
What is the function of the Golgi apparatus?
a)
protein synthesis
b)
intracellular transormation in cell
c)
processes & packages molecules for export from cell
d)
synthesizes lipids and carbohydrates
8.
What organelle destroys bacteria in the cell?
a)
lysosomes
b)
peroxisome
c)
centrosomes
d)
ribosomes
9.
Where are peroxisomes found?
a)
small and large intestines
b)
stomach
c)
diaphragm
d)
kidney and liver cells
10.
Without this, the cell membrane would break easily-
a)
cholesterol
b)
carbohydrates
c)
proteins
d)
other molecules
11.
Where does cellular respiration occur?
a)
ribosomes
b)
mitochondria
c)
cytoskeleton
d)
lysosomes
12.
What are the three types of cell fibers?
a)
microfilaments, intermediate filaments, macrofilaments
b)
microfilaments, intermediate filaments, cillia
c)
microcilia, microvilli, flagella
d)
microfilaments, intermediate filaments, microtubules
13.
What cell extension are microfilaments a part of?
a)
microvilli
b)
macrofilaments
c)
intermediate filaments
d)
mictrotubules
14.
The structure of a cytoskeleton is similar to-
a)
a muscle
b)
a bone
c)
a cartilage
d)
a tendon
15.
The channel proteins located in the gap-junctions connect-
a)
cytoplasm
b)
cell wall
c)
plasma membranes
d)
nucleus
16.
Skin cells are also known as-
a)
lysosomes
b)
integusomes
c)
cartisomes
d)
desmosomes
17.
Passive transport _____ energy and active energy ____ energy
a)
uses; doesn't use
b)
doesn't use; uses
c)
uses; uses
d)
doesn't use; doesn't use
18.
Osmosis is defined as-
a)
diffusion of energy
b)
diffusion of carbon dioxide
c)
diffusion of oxygen
d)
diffusion of water
19.
This type of diffusion moves towards higher concentrations-
a)
active transport
b)
passive transport
c)
osmosis
d)
facilitated diffusion
20.
What joins adjacent cells?
a)
air junctions
b)
tight junctions
c)
gap junctions
d)
desmosomes
21.
Which two are responsible for cell metabolism?
a)
catabolism; enzyme function
b)
cystic fibrosis; anabolism
c)
catabolism; anabolism
d)
inhibitors; proenzymes
22.
Which type of cellular transport moves towards higher concentration levels?
a)
diffusion
b)
active transport
c)
facilitated diffusion
d)
osmosis
23.
Catabolism is the net ____ of energy and Anabolism is the net ____ of energy
a)
output;input
b)
input;output
c)
output;output
d)
input;input
24.
The active site of an enzyme is defined as-
a)
part of enzyme that reacts with water
b)
part of enzyme that connects with cells
c)
part of enzyme that causes cancer
d)
part of the enzyme that binds to a substate
25.
Proenzymes are-
a)
inactive
b)
always moving
c)
active
d)
only in the feet
26.
Which increases the surface area of the inner membrane of mitochondria?
a)
cristae
b)
cisternae
c)
cytoplasm
d)
endoplasmic reticulum
27.
What is the order of protein synthesis?
a)
Protein, DNA, mRNA, tRNA, Amino Acid, Ribosomes
b)
DNA, mRNA, Ribosomes, tRNA, Amino Acid, Protein
c)
tRNA, mRNA, DNA, Ribosomes, Amino Acid, Protein
d)
Protein, Ribosomes, Amino Acid, tRNA, mRNA, DNA
28.
How does the E.R. deliver proteins?
a)
via vesicles
b)
via cells
c)
via blood
d)
via water
29.
Which of the two acts as a 'digestive bag'?
a)
peroxisomes
b)
lysosomes
30.
Free ribosomes-
a)
make fatty acids
b)
produce carbohydrates
c)
make proteins for domestic use
d)
synthesize for developmental purposes
100 %
