1.
Match the
following
____(a)
cytoskeleton
____ (b)
centrosome
____ (c)
ribosomes
____ (d) rough
ER
____ (e) smooth
ER
____ (f) Golgi
complex
____ (g)
lysosomes
____ (h)
peroxisomes
____ (i)
mitochondria
____ (j) cilia
____ (k)
flagellum
____ (l)
proteasomes
____ (m)
vesicles
(1)
membrane-enclosed vesicles formed in the Golgi complex that contain strong
hydrolytic
and digestive
enzymes
(2) network of
protein filaments that extend throughout the cytoplasm, providing cellular
shape,
organization, and movement
(3) sites of
protein synthesis
(4) contain
enzymes that break apart unneeded, damaged, or faulty proteins into small
peptides
(5) site where
secretory proteins and membrane molecules are synthesized
(6)
membrane-enclosed vesicles that contain enzymes that oxidize various organic
substances
(7) short
microtubular structures extending from the plasma membrane and involved in
movement of
materials along the cell’s surface
(8) modifies,
sorts, packages, and transports molecules synthesized in the rough ER
(9) an
organizing center for growth of the mitotic spindle
(10) function in
ATP generation
(11) functions
in synthesizing fatty acids and steroids, helping liver cells release
glucose into the
bloodstream, and detoxification
(12)
membrane-bound sacs that transport, transfer, or secrete proteins
(13) long
microtubular structure extending from the plasma membrane and involved in
movement of a
cell
2.
Translation is
the process in which DNA is copied to form mRNA.
a)
True
b)
False
3.
Genetic
information in DNA is first ____ into RNA in the _____ , then _____ into
protein in the ____.
a)
Transcribed,
Cytoplasm, Processed, Nucleus
b)
Transcribed,
Nucleus, Translated, Cytoplasm
c)
Translated,
Cytoplasm Transcribed, Nucleolus
d)
Spliced,
Nucleus, Cleaved, Golgi body
4.
The site of
formation of proteins in the cytoplasm where the RNA carries the information
from the DNA is the ribosome.
a)
True
b)
False
5.
The central
dogma of biology how ____________ flows from a DNA sequence to a protein
product inside cells.
a)
Bacteria
b)
Water
c)
Genetic
information
d)
DNA
e)
Hormones
f)
Salt
6.
Which of the
following describes the fluid-mosaic model of the plasma membrane structure?
a)
phospholipid
monolayer with embedded proteins
b)
phospholipid
bilayer with embedded proteins
c)
triglyceride
bilayer with embedded proteins
d)
protein bilayer
with embedded phospholipids
7.
Which of the
following molecules would NOT be found in animal plasma membranes?
a)
Proteins
b)
Cholesterol
c)
Phospholipids
d)
Glycolipids
e)
Glycoproteins
f)
Nucleic acids
8.
Oxygen enters
the blood from the alveoli in the lungs by the process of ______.
a)
Active transport
b)
Osmosis
c)
Simple diffusion
d)
Facilitated
diffusion
e)
Phagocytosis
f)
Pinocytosis
9.
Which type of
solution will have the same solute concentration on both sides of the cell
membrane?
a)
Hypotonic
b)
Isotonic
c)
Hypertonic
10. Which of the following solutions is isotonic to red
blood cells?
a)
5% NaCl
b)
10% NaCl
c)
0.9 % NaCl
d)
0.45% NaCl
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