End of chapter quizes: chapter 3 Flashcards
Which of the following adaptations would increase the surface
area of a cell?
a. increased number of
mitochondria
b. increased number of
ribosomes
c. presence of microvilli
d. increased number of
channel proteins
e. changing a cell shape
from cubical to spherical
C.
Which of the following is always at the same concentration
inside and outside the cell?
a. potassium ions
b. water
c. hydrogen ions
d. glucose
e. sodium ions
B.
Cells transport sodium ions out of the cell against the sodium
concentration gradient. This is an example of:
a. facilitated diffusion
b. simple diffusion
c. diffusion via channel
proteins
d. endocytosis
e. active transport
E.
Red blood cells placed in distilled water will:
a. swell as water moves into the cells by osmosis
b. shrink as sodium moves out of the cells by
diffusion
c. swell as water moves into the cells by active
transport
d. shrink as proteins move out of the cell by diffusion
e. remain unchanged because of homeostatic
mechanisms
A.
Which organelles are most active during cell division?
a. ribosomes
b. endoplasmic reticulum
c. Golgi apparatus
d. centrioles
e. cilia
D.
In the human body, Escherichia coli (a normally harmless bacterium) can be found in the:
a. mouth
b. digestive tract
c. pancreas
d. cilia
e. kidneys
B.
. Some lymphocytes (white blood cells) synthesize and secrete
defensive proteins known as antibodies. Which of the following
represents the most likely path of these proteins from synthesis
to secretion?
a. endoplasmic reticulum—ribosomes—Golgi apparatus—
vesicles—plasma membrane
b. ribosomes—Golgi apparatus—vesicles—endoplasmic
reticulum—plasma membrane
c. ribosomes—Golgi apparatus—lysosome—endoplasmic
reticulum—plasma membrane
d. ribosomes—endoplasmic reticulum—Golgi apparatus—
vesicles—plasma membrane
e. ribosomes—lysosomes—endoplasmic reticulum—vesicles—
Golgi apparatus
D.
Which of the following organelles would be more active in
white blood cells during a bacterial infection?
a. Golgi apparatus
b. lysosomes
c. mitochondria
d. endoplasmic reticulum
e. peroxisomes
B.
Cells lining the respiratory passages have numerous filamentous structures that sweep mucus and debris up and away from
the lungs. These filamentous structures are:
a. microtubules
b. flagella
c. cilia
d. microfilaments
e. microvilli
C.
Fat in its stored form is known as:
a. glucose
b. ATP
c. glycogen
d. triglyceride
e. amino acid
D.
All of the following cellular activities require energy except:
a. facilitated transport
b. active transport
c. movement
d. protein synthesis
e. cell division
A.
Which of the following can occur within a cell in the absence of
oxygen?
a. glycolysis
b. lactate production
c. citric acid cycle
d. electron transport system
e. both (a) and (b)
E.
All of the following are associated with energy release except:
a. anabolism
b. catabolism
c. citric acid cycle
d. glycolysis
e. oxidative
phosphorylation
A.
Which of the following is/are recycled during cellular respiration and do not appear in the net equation?
a. NAD+ and NADH
b. ATP, ADP, and Pi
c. glucose
d. carbon dioxide
e. oxygen
A.
Most of the ATP produced during cell respiration is a
by-product of:
a. glycolysis
b. citric acid cycle
c. electron transport system
d. lactate production
e. anaerobic pathways
C.
