California State University San Marcos
Biology Department
Intro Molecular & Cellular Biology (BIOL 210); Instructor: Elmar Schmid, Ph.D.
QUIZ #3
- Cells & Cell structures 
Answer the following questions and mark it on a Scantron 882 answer sheet. All questions must
be answered by the student without help by class mates, friends or other human beings. please
read the following statement below carefully and sign it if you satisfy the guidelines outlined in
this statement. This signed take home exercise sheet must be turned in with your answer sheet
to receive full credit for this assignment. This assignment is due at the first class meeting the
following week.

I HAVE ANSWERED THE QUESTIONS IN THIS EXERCISE ON MY OWN. I DID NOT CONSULT OTHERS OR IN
ANY CONDUCT IN ANY ACTIVITITES THAT COULD BE CONSTRUED AS CHEATING IN THIS ASSIGNMENT. I
DID NOT MAKE ANY COPIES OF THIS ASSIGNMENT.
_________________________________
(PRINT YOUR NAME)
________________________________
(YOUR SIGNATURE)
Q. 1: The two major cell types found in forms of life on planet earth are called:
A) prokaryotic and protistic
B) prokaryotic and archaean
C) prokaryotic and eukaryotic
D) eukaryotic and bacterial
Q. 2: Which of the following organisms would be considered to be prokaryotic?
A) the cyanobacterium Nostoc
B) the single-celled fungus Saccharomyces (yeast)
C) the Vibrio cholerae bacterium
D) kelp
E) both, a and c
Q. 3: Which of the following cellular features does the protist Paramecium caudatum have in common
with a white blood cell of your own body?
A) a cell membrane made up from phospholipids
B) DNA located within a nucleus
C) cilia protruding from the cell surface
D) lysosomes
E) all of the above, except c
Q. 4: A membranous, phospholipid-made intracellular structure with a specific function is called a(n)
A) chromosome
B) organelle
C) proteasome
D) ribosome
E) organ
Q. 5: Which of the following cell structures is/are found in bacteria but not in eukaryotic cells
A) membraneous organelles
B) plasmids
C) a cell wall
D) mitochondria
E) both, b and c
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California State University San Marcos
Biology Department
Intro Molecular & Cellular Biology (BIOL 210); Instructor: Elmar Schmid, Ph.D.
Q. 6: Which of the following statements would be true of the surface-to-volume ratio of a cell that
doubled in volume, e.g. because of distilled water or a pore-forming drug in its environment?
A) the ratio decreases, but the cell continues to obtain enough nutrients and gases
B) the ratio decreases, but the cell begins to lose too many biomolecules through its membrane
C) the ratio increases and the cell obtains to many nutrients and shows accelerated gas exchange
D) the ratio stays the same and the balance of transport of materials into and out of the cell is not
disturbed
E) the ratio decreases and the cell will have troubles to get enough nutrients and gases through its
membrane
Look at the electron-microscopic image of a section of a eukaryotic cell and answer the following
questions below.
1
2
3
4
5
6
Q. 7: Which of the following details in the image above shows the nuclear envelope of the nucleus?
A) detail 1
B) detail 2
C) detail 3
D) detail 5
Q. 8: The detail #6 shows the nucleolus of the cell.
A) true
B) false
Q. 9: Which of the following details in the image above shows a mitochondrion?
A) detail 2
B) detail 4
C) detail 5
D) detail 6
Q. 10: The organelle depicted by detail #4 in the image above is a(n):
A) transport vesicle
B) smooth endoplasmic reticulum
C) peroxisome
D) Golgi apparatus
E) mitochondrion
Q. 11: Which of the following cellular processes have been found to take place in the mitochondrion?
A) production of ATP
B) synthesis of new phospholipids
C) storage of calcium
D) important chemical reactions of cellular respiration
E) both, a and d
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California State University San Marcos
Biology Department
Intro Molecular & Cellular Biology (BIOL 210); Instructor: Elmar Schmid, Ph.D.
Q. 12: Which of the following is/are NOT (an) organelle(s) of a typical animal cell?
A) lysosome
B) chloroplast
C) mitochondrion
D) peroxisome
E) rER
Q. 13: What is the name of the cell organelle within the pancreas cells called where insulin and other
polypeptides are produced?
A) nucleolus
B) peroxisome
C) rough endoplasmic reticulum
D) smooth endoplasmic reticulum
E) centrosome
Q. 14: The Golgi apparatus
A) is composed of stacks of membranous, pan-cake-like vesicles that are all connected with one
another
B) is an organelle that stores proteins, sorts proteins and packages proteins
C) strings together amino acids to produce proteins
D) forms fats from glycerol and fatty acids
E) is the place of new DNA synthesis
Q. 15: Lysosomes
A) degrade worn-out or damaged organelles
B) help to recycle materials within the cell
C) are small cellular organelles
D) can destroy harmful bacteria trapped and engulfed by white blood cells
E) all of the above
Q. 16: Which of the following is NOT a component of the endomembrane system
A) transport vesicles
B) Golgi apparatus
C) smooth ER
D) nucleus
E) rough endoplasmic reticulum (rER)
Q. 16: Which of the following is/are (a) component(s) and/or (a) part(s) of the cellular skeleton (=
cytoskeleton) of a typical human cell?
A) microtubules
B) peroxisomes
C) intermediate filaments
D) smooth endoplasmic reticulum
E) both, b and c
Q. 17: You want to examine whether the components of a new weight loss pill had some effects on the
fine structures and shapes of mitochondria in human cells. Which of the following experimental tools
would you use for your examinations?
A) density centrifugation
B) electron microscope
C) light microscope
D) spectrophotometry
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