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WorksheetsCP UNIT 3
Total questions: 35
Worksheet time: 18mins
Name
Class
Date
1.
A cell structure that contains nucleic acids, the chemical instructions that direct all the cell's activities.
a)
Nucleus
b)
Ribosome
c)
sER
d)
Chloroplast
2.
Cytoplasmic organelles at which proteins are made.
a)
Nucleus
b)
Ribosome
c)
sER
d)
Mitochondria
3.
The semipermeable membrane surrounding the cytoplasm of a cell. controls what enters and leaves the cell
a)
Cell Wall
b)
Mitochondria
c)
Chloroplast
d)
Cell Membrane
4.
A jellylike fluid inside the cell in which the organelles are suspended
a)
Cytoplasm
b)
Ectoplasm
c)
Nucleoplasm
d)
Cell Membrane
5.
A system of membranes that modifies and packages proteins for export by the cell
a)
sER
b)
rER
c)
Golgi apparatus
d)
Nucleolus
6.
Uses chemicals to break down food and worn out cell parts
a)
Vacoule
b)
Peroxisome
c)
Ribosome
d)
Lysosomes
7.
Cell organelle that aids in cell division in animal cells only
a)
Chloroplast
b)
Large Central Vacoule
c)
Centrioles
d)
Cell Wall
8.
A network of fibers that holds the cell together, helps the cell to keep its shape, and aids in movement
a)
Cytoskeleton
b)
Chloroplast
c)
Mitochondria
d)
Ribosome
9.
A rigid structure that surrounds the cell membrane and provides support to the cell Found in plant cells not in animals
a)
Cell Membrane
b)
Cell Wall
c)
Lysosome
d)
sER
10.
An organelle found in plant and algae cells where photosynthesis occurs
a)
Mitochondria
b)
Cell Wall
c)
Large Central Vacoule
d)
Chloroplast
11.
An organelle in eukaryotic cells that serves as the site of cellular respiration; uses oxygen to break down organic molecules and synthesize ATP. found in both plants and animals
a)
Mitochondria
b)
Chloroplast
c)
Ribosome
d)
Nucleosome
12.
Cell organelle that stores materials such as water, salts, proteins, and carbohydrates
a)
Lysosome
b)
Mitochondria
c)
Vesicle
d)
Vacuole
13.
A specialized structure in the nucleus, builds ribosomes
a)
Nucleolus
b)
Nucleus
c)
Nucleosome
d)
Peroxisome
14.
Creates lipids or fat
a)
rER
b)
sER
c)
Golgi
d)
Lysosome
15.
A cell that contains a nucleus and membrane bound organelles
a)
Eukaryote
b)
Prokaryote
16.
A unicellular organism that lacks a nucleus and membrane bound organelles
a)
Eukaryotic
b)
Prokaryote
17.
Basic unit of life
a)
Atom
b)
Element
c)
Cell
d)
Proton
18.
Flexible double-layered sheet that makes up the cell membrane and forms a barrier between the cell and its surroundings
a)
Electron Cloud
b)
Lipid Bilayer
c)
Cell Wall
19.
A property of cell membranes that allows some substances to pass through, while others cannot
a)
Impermeable
b)
Selectively Permeable
20.
Movement of molecules from an area of higher concentration to an area of lower concentration.
a)
Facilitated Diffusion
b)
Osmosis
c)
Diffusion
d)
Active Transport
21.
A process in which substances are transported across a plasma membrane with the concentration gradient with the aid of carrier (transport) proteins; does not require the use of energy.
a)
Facilitated Diffusion
b)
Osmosis
c)
Diffusion
d)
Active Transport
22.
Diffusion of water through a selectively permeable membrane
a)
Facilitated Diffusion
b)
Osmosis
c)
Diffusion
d)
Active Transport
23.
water channel protein in a cell
a)
Aquafina
b)
Aquaporin
c)
Channel Protein
d)
Peripheral Protein
24.
Having a lower concentration of solute than another solution
a)
Hypotonic
b)
Hypertonic
c)
Isotonic
25.
Having a higher concentration of solute than another solution.
a)
Hypotonic
b)
Hypertonic
c)
Isotonic
26.
Describes a solution whose solute concentration is equal to the solute concentration inside a cell
a)
Hypotonic
b)
Hypotonic
c)
Isotonic
27.
Pressure that develops when two solutions of different concentrations are separated by a semipermeable membrane.
a)
Water pressure
b)
Solute pressure
c)
Osmotic pressure
d)
Solvent pressure
28.
A tendency to maintain a balanced or constant internal state; the regulation of any aspect of body chemistry
a)
Homeostasis
b)
Stable State
c)
Equilibrium
29.
Which of the following is NOT part of the cell theory?
a)
all organisms are composed of one or more cells
b)
all cells come from pre-existing cells
c)
cells spontaneously arise from carbon and nutrients carried in to bloodstream
d)
cells are the basic unit of life
30.
What is the structure labled #2?
a)
nucleus
b)
endoplasmic reticulum
c)
vacuole
d)
mitochondria
31.
What is the function of the structure labled #3?
a)
hold DNA
b)
modify and sort proteins
c)
storage
d)
cell division
32.
Which organelles are unique to PLANT cells ONLY?
a)
cytoplasm & chloroplast
b)
cell wall & chloroplast
c)
cell wall & mitochondria
d)
mitochondria & chloroplast
33.
How many layers of phospholipids make up a cell membrane?
a)
1
b)
2
c)
3
d)
none
34.
The hydrophilic heads of each phospholipid are chemically
a)
polar
b)
non-polar
c)
neutral
35.
The hydrophobic tails of each phospolipid are chemically
a)
polar
b)
non-polar
c)
neutral
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