1. Match the following
__2__(a) cytoskeleton
__9__ (b) centrosome
__3__ (c) ribosomes
___5_ (d) rough ER
__11__ (e) smooth ER
__8__ (f) Golgi complex
__1__ (g) lysosomes
__6__ (h) peroxisomes
__10__ (i) mitochondria
__7__ (j) cilia
__13__ (k) flagellum
__4__ (l) proteasomes
__12__ (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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