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Cell Organelles
In many cells, the
structure that controls the
cell's activities is the
....nucleus
The organelle that makes
energy available for the
cell is
...the mitochondrion
What is a vesicle?
Distinct threadlike
structures containing
genetic information are
.. small membrane-bound
sac
...chromosomes
What is the function of the What happens in the
nuclear envelope?
rough endoplasmic
reticulum?
...a double membrane with
pores that allow materials to ...ribosomes are found on
move in and out of the cell
the rough ER
...newly made proteins
move from the ribosomes to
the ER where they may be
chemically modified
What is the main function
of the cell wall?
What is the function of
ribosomes?
...support and protection
...produce proteins
following the genetic code
from the nucleus
What is chromatin?
What is the function of the What are the two types of
nucleolus?
structures that make up
the cytoplasm?
...granular material in the
nucleus consists of DNA
bound to protein
Describe the role of the
Golgi apparatus.
...enzymes attach
carbohydrates and lipids to
proteins
...small dense region in the
nucleus where the assembly
of ribosomes begins
microfilaments and
microtubules
What is the purpose of the
vacuole?
What is the difference
between a rough and a
smooth endoplasmic
reticulum?
What is the function of a
lysosome?
.......Store water and
dissolved substances.
......smooth ER does not
…these small organelles
have ribosomes as the rough contain digestive enzymes
ER does
Prokaryotes or Eukaryotes
What organisms are
prokaryotes?
What is the main
characteristic of
prokaryotes?
If a cell of an organism
contains a nucleus, the
organism is
...do not have a nucleus or
cell organelles
..a eukaryote
When did prokaryotes
appear on earth?
Animal cells and plant
cells are (eukaryotes,
prokaryotes).
It is believed that
mitochondria and
chloroplasts are the
descendents of
…3.5 billion years ago
…eukaryotes
...bacteria
.....prokaryotes
These were the first cells
with internal
compartments.
(eukaryotes, prokaryotes).
When did the eukaryotes
first appear on the earth?
Which are the smallest
and simplest cells?
(eukaryotes, prokaryotes).
…1.5 billion years ago
…prokaryotes
How is the genetic
material displayed in a
prokaryote cell?
Where is the DNA found
in a eukaryote cell?
What do bacteria have in
place of an internal
supporting skeleton?
......as a single, circular
molecule of DNA in the
cytoplasm
......in the nucleus
.....strong cell wall
What is the purpose of the
capsule on some bacteria?
What is the purpose of the
flagella for bacteria?
What unit of
measurement is used in
determining the size of
cells?
......enables the bacteria to
cling to almost anything
..... enable movement
…eukaryotes
......µm (micrometer)
CELL THEORY
What is the contribution
of Matthias Schleiden to
the cell theory?
What is the contribution
of Theodor Schwann to
the cell theory?
What is the contribution
of Rudolf Virchow to the
cell theory?
...concluded that all plants
are made of cells
... concluded that all
animals are made of cells
... concluded that all cells
come from preexisting cells
Name the three parts of
the cell theory
A tissue is a group of
What is the contribution
of Robert Hooke to the
cell theory?
...cell is the basic unit of
structure of living
organisms
...cells come from
preexisting cells
...all living organisms are
made of cells
...similar cells
...observed dead cells in
cork
...named the "cell"
The cell is the basic unit of Cells come from
_____________
_______________ cells.
of living things.
All living organisms are
made of _____________.
.....structure
..... preexisting
.......cells.
How are cells like a whole
organism?
Why are small cells more
efficient than large cells?
What common boundary
do all cells have?
....cells can carry out
similar life processes as a
whole organism
.....Substances do not have
to travel as far in a smaller
cell than a larger cell thus
taking less time to provide
nutrients or to get rid of
wastes.
All cells have ___________ What is the purpose of the
on which proteins are
system of microfibers in
made.
the cell?
........ribosomes
.......to provide support for
the shape of the cell
...cell membrane
All cells have _______
which provides
instructions for making
proteins.
.......DNA
Comparison of Plant and Animal cells
Plants have an outer
boundary that animal
cells do not have.
The cell wall in plants
contains what
polysaccharide?
What takes up the main
part of the plant cell?
…cellulose
…central vacuole
The organelle in plants
that carries out
photosynthesis.
What organelle do animal
cells have that plant cells
do not have?
This is a _____cell.
…chloroplast
…centrioles
This is a(an) ______ cell.
What is the purpose of the
central vacuole?
…cell wall
…animal
…to store water and
dissolved substances.
…plant
Name the three organelles
that plants have and
animal cells do not have.
…chloroplasts, central
vacuole, and cell wall
What does B represent?
What does A represent?
What does C represent?
.....central vacuole
.....cell wall
......chloroplast
What organelles in plant
cells have double
membranes?
What other organisms
besides plants have
chloroplasts?
What organelle in plants
presses against the cell
wall making the cell rigid?
...mitochondria and
chloroplasts
......central vacuole
.....algae
Microscopes
How is the image formed
for compound light
microscope?
How is an image formed
for electron microscopes?
What adjustment knob is
used for focusing while
using the high power
objective?
.....light passes through one
or more lenses
......a beam of electrons is
used
.......fine adjustment knob
What adjustment knob is
used for focusing while
using the low power
objective?
What is the purpose of the
diaphragm on the
compound light
microscope?
Which kind of microscope
must view the specimen in
a vacuum?
......electron microscope
.......coarse adjustment knob
.......adjustment of the
amount of light through the
microscope
Specimens may be
magnified over 200,000
times with this
microscope.
What is the maximum
magnification that is
known for the compound
light microscope?
.......electron microscope
........2,000 times
Explain how to calculate
total magnification for a
compound light
microscope.
What is the purpose of the
revolving nosepiece on the
compound light
microscope?
Which microscope can
produce images that are
three-dimensional?
.........changes the power of
the magnification
.......electron
What is the purpose of the
stage on the microscope?
What is the definition of
microscope
magnification?
Why can only dead cells
be observed under an
electron microscope?
........for the placement of
the microscope slide
.......the ability to make an
image appear larger than its
actual size
.......the cells must be
viewed in a vacuum
......multiply the power of
the eyepiece lens and the
objective lens
What is meant by
resolution for
microscopes?
.........measurement of the
clarity of the microscope
image