Download Cells Science Department

Cells
Science Department
Ms. Martinez
2009
1. What did Robert Hooke
contribute to science?
1. What did Robert Hooke
contribute to science?
He
identified a cell under the microscope
2. What did Schwann
contribute to science?
2. What did Schwann contribute
to science?
stated all animals are made of
cells
3. What did Schleiden
contribute to science?
3. What did Schleiden contribute
to science?
concluded all plants are made of
cells
4. What did Virchow
contribute to science?
4. What did Virchow contribute to
science?
proposed all cells come from
existing cells
5. State the 3 parts of the Cell
Theory.
5. State the 3 parts of the Cell
Theory.
1. All living things are made up of cells
2. The cell is the basic unit of life.
3. All cells come from existing cells
6. Which type of entity
violates the Cell Theory? Why?
6. Which type of entity
violates the Cell Theory? Why?
VIRUSES
They are not cellular
7. What is a prokaryote?
7. What is a prokaryote?
-cells that do not contain nuclei
8. What is a eukaryote?
8. What is a eukaryote?
-cells that contain nuclei
9. What is an example of a
prokaryotic cell?
9. What is an example of a
prokaryotic cell?
Bacteria
10. What are 2 types of
eukaryotic cells?
10. What are 2 types of
eukaryotic cells?
-Animal
-Plant
11. Place the following in
order from smallest to largest:
plant cell, virus, bacteria
11. Place the following in order
from smallest to largest:
plant cell, virus, bacteria
Virus, Bacteria, Plant cell
12. What is the cytoplasm?
12. What is the cytoplasm?
is the portion of the cell outside
the nucleus
13. What is the function of the
nucleus?
13. What is the function of the
nucleus?
contains nearly all the cell's DNA and
with it the coded instructions for
making proteins and other important
molecules
14. What is the function of the
Endoplasmic Reticulum?
14. What is the function of the
Endoplasmic Reticulum?
transports proteins
throughout the cell
15. What are the function of
ribosomes?
15. What are the function of
ribosomes?
Are sites of protein synthesis
16. What is the function of the
Golgi apparatus?
16. What is the function of the
Golgi apparatus?
packages and prepares proteins
for export out of the cell
“Fed Ex”
17. What is the function of
Mitochondria?
17. What is the function of
Mitochondria?
convert the chemical energy
stored in food into energy (ATP)
18. What is the function of the
Chloroplast?
18. What is the function of the
Chloroplast?
organelles that capture the energy
from sunlight and convert it into
chemical energy in a process called
photosynthesis
19. What 3 structures do both
plant and animal cells have?
19. What 3 structures do both
plant and animal cells have?
Nucleus
2. Cell Membrane
3. Cytoplasm
1.
20. What additional structure
does a plant cell have that
animals cells do not?
20. What additional structure
does a plant cell have that
animals cells do not?
Cell Wall
21. What are the 3 functions
of the cell membrane
21. What are the 3 functions
of the cell membrane
1)regulates what enters and exits the
cell
(2)provides protection
(3) provides support.
22. Identify 3 molecules that
diffuse through the cell
membrane.
22. Identify 3 molecules that
diffuse through the cell
membrane.
Water, Oxygen, Carbon Dioxide
23. Make a simple drawing of the cell
membrane. Label: phospholipid, Polar Head,
Nonpolar Tails, and
peripheral and integral protein.
23. Make a simple drawing of the cell
membrane. Label: phospholipid, Polar
Head, Nonpolar Tails, and
peripheral and integral protein.
24. Explain the term "selective
permeability"
24. Explain the term "selective
permeability"
Only certain molecules can pass
through the membrane
25. Define diffusion.
25. Define diffusion.
the particles tend to move from an
area where they are more
concentrated to an area where they
are less concentrated
26. Define Osmosis.
26. Define Osmosis.
is the diffusion of water
through a selectively
permeable membrane
27. Predict the direction of
water movement based upon
differences in isotonic
solutions
27. Predict the direction of
water movement based upon
differences in isotonic
solutions
There is an equal movement of
molecules--Equilibrium
28. Predict the direction of
water movement based upon
differences in hypertonic
solutions.
28. Predict the direction of water
movement based upon
differences in hypertonic
solutions.
Water moves OUT of the cell
29. Predict the direction of
water movement based upon
differences in hypotonic
solutions.
29. Predict the direction of water
movement based upon
differences in hypotonic
solutions.
Water moves IN the cell
30. Explain how active
transport differs from
diffusion.
30. Explain how active transport
differs from diffusion.
Uses ATP
2. Molecules move against
concentration gradient
1.
31. Explain how large
molecules may be transported
across cell membranes.
31. Explain how large
molecules may be transported
across cell membranes.
Proteins
32. What are the 4 levels of
organization?
32. What are the 4 levels of
organization?
individual cells, tissues, organs,
and organ systems
33. The _____________
apparatus packages and
prepares proteins for export
out of the cell.
33. The _____________ apparatus
packages and prepares proteins for
export out of the cell.
Golgi
34. Prokaryotic cells do not
have a ________________,
while eukaryotic cells do have
_________________.
34. Prokaryotic cells do not have
a ________________, while
eukaryotic cells do have
_________________.
Nucleus
nucleus
35. The primary function of the
nucleus is to store
_________________
information.
35. The primary function of the
nucleus is to store
_________________
information.
Genetic
36. What is structure “X”?
“Y”?
36. What is structure “X”?
“Y”?
X=protein
Y=phospholipid
37. The figure below was
viewed under a Microscope.
It must be a(n)
_____________
37. The figure below was
viewed under a Microscope.
It must be a(n)
_____________
Plant cell
38. When Figure 5 is place in a
hypertonic solution, that is a
solution having a LOWER water
concentration than the cell, what
will happen to the cell?____
38. When Figure 5 is place in a
hypertonic solution, that is a
solution having a LOWER water
concentration than the cell, what
will happen to the cell?____
Crenate
39. When Figure 5 is place in
a hypotonic solution, that is a
solution having a HIGHER
water concentration than the
cell, what will happen to the
cell? ______ in an isotonic
soltion?_______
39. When Figure 5 is place in a hypotonic
solution, that is a solution having a
HIGHER water concentration than the
cell, what will happen to the cell?
______ Swell or burst
in an isotonic soltion?__
nothing
40. The structure responsible
for maintaining homeostasis in
ALL cells is the cell
___________.
40. The structure responsible for
maintaining homeostasis in ALL
cells is the cell ___________.
Cell membrane
41. The figure to the right
shows the process of
________________
(endosytosis/exocytosis).
41. The figure to the right shows
the process of
________________
(endosytosis/exocytosis).
Exocytosis
42. When a cell uses ATP to
move substances across the
plasma membrane, it is called
______________
( active/passive) transport.
42. When a cell uses ATP to
move substances across the
plasma membrane, it is called
______________
( active/passive) transport.
Active
43. Figure 7 shows molecules moving
from an area of high concentration, to an
area of low concentration. Figure 7
illustrates the process of ___________.
A
Molecules
B
Selectively permeable membrane
43. Figure 7 shows molecules moving from an
area of high concentration, to an area of low
concentration. Figure 7 illustrates the process
of ___________.
A
Molecules
B
Selectively permeable membrane
Diffusion
44. Which figure, 9 or 10, shows
a eukaryotic plant cell?_____
Figure
9
Figure 10
44. Which figure, 9 or 10, shows
a eukaryotic plant cell?_____
-10
45. Bacteria are examples of
______________cells because
they do not have a nucleus.
45. Bacteria are examples of
______________cells because
they do not have a nucleus.
Prokaryotic
46. Protein __________
(markers/receptors/channels)
are macromolecules that
transport large substances out
of the cell.
46. Protein __________
(markers/receptors/channels) are
macromolecules that transport
large substances out of the cell.
Channels
47. The sites of protein
synthesis in both prokaryotes
and eukaryotes are
___________________.
47. The sites of protein
synthesis in both prokaryotes
and eukaryotes are
___________________.
Ribosomes
48. Carbohydrate chains, found on the
surface of the plasma membrane, are
called cell
____________(receptors/markers).
48. Carbohydrate chains, found on the
surface of the plasma membrane, are
called cell
____________(receptors/markers).
Markers
49. Specialize cell structures,
miniature organs, are
called____________________
_.
49. Specialize cell structures,
miniature organs, are
called________________.
Organelles
50. Both a plant and animal
cell have a cell
_____________, but only a
plant cell has a cell
_______________.
50. Both a plant and animal cell
have a cell _____________, but
only a plant cell has a cell
_______________.
Membrane
Wall
51. The cell membrane is made
up of a lipid ___________
because it has two layers of
phospho__________s.
51. The cell membrane is made
up of a lipid ___________
because it has two layers of
phospho__________s.
Bilayer
Phospholipids
52. If you place an animal cell, like
an egg, into a solution
with a LOW water concentration,
such as syrup, the cell
will ____________( shrink, swell or
burst, remain the same).
52. If you place an animal cell, like an
egg, into a solution
with a LOW water concentration, such as
syrup, the cell
will ____________( shrink, swell or burst,
remain the same).
Shrink
53. If you place an animal cell, like
an egg, into a solution with a HIGH
water concentration, the cell
will ___________( shrink, swell or
burst, remain the same).
53. If you place an animal cell, like an egg, into
a solution with a HIGH water concentration, the
cell
will ___________( shrink, swell or burst, remain
the same).
Swell or burst
54. The process by which
water and oxygen pass
through the plasma
membrane is called
________________.
54. The process by which water
and oxygen pass through the
plasma membrane is called
________________.
Diffusion
Study!