Question 1
Question
Which of the following is TRUE of a cell membrane?
Answer
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Cell membranes allow ALL substances to pass through easily
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It is selectively permeable so only certain molecules can pass through it
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It acts more like a fluid than a solid because its molecules are constantly moving
-
Cell membranes surround all animal, plant, and bacterial cells
-
It is a bilayer composed mainly of phospholipids and proteins
Question 2
Question
The nucleus includes all of the following EXCEPT...
Answer
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cytoplasm
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nuclear envelope
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DNA
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nucleolus
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chromatin
Question 3
Question
Substances produced in a cell and exported outside of the cell would pass through...
Answer
-
endoplasmic reticulum and Golgi apparatus
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mitochondria and Golgi apparatus
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nucleus and lysosomes
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vacuoles and mitochondria
Question 4
Question
Cells like muscle cells which require lots of energy would probably have many...
Answer
-
nuclei
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flagella
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mitochondria
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lysosomes
Question 5
Question
Viruses, bacteria, and old organelles that a cell wants to get rid of are broken down in...
Answer
-
ribosomes
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mitochondria
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rough ER
-
lysosomes
Question 6
Question
Mitochondria store the energy released when they burn glucose as...
Question 7
Question
The structures that synthesize proteins in cells are the...
Answer
-
ribosomes
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Golgi apparatus
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lysosomes
-
vacuoles
Question 8
Question
The folded inner membrane in mitochondria which increases surface area for
chemical reactions to take place is called the...
Answer
-
thylakoids
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centrioles
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chromatin
-
cristae
Question 9
Question
The dark spot seen in the nucleus in non-dividing cells where RNA for ribosomes is made is
called the...
Answer
-
cristae
-
nucleolus
-
plastids
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cytosol
Question 10
Question
The cells organelles that are surrounded by DOUBLE MEMBRANES and contain their OWN DNA are the...
Answer
-
nucleus, ER, and lysosomes
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nucleus, vacuoles, and chloroplasts
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nucleus, chloroplasts, and mitochondria
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ER, Golgi bodies, and vacuoles
Question 11
Question
What two molecules are used to make cell membranes?
Answer
-
carbohydrates and glycogen
-
polysaccharides and nucleic acids
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phospholipids and starch
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phospholipids and proteins
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nucleic acids and lipids
Question 12
Question
One difference between eukaryotes and prokaryotes is that...
Answer
-
prokaryotes are surrounded by a cell membrane and eukaryotes are not
-
prokaryotes have a nucleus and eukaryotes don't
-
eukaryotes have DNA and prokaryotes don't
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eukaryotes have membranes around their nucleus and organelles and prokaryotes don't
Question 13
Question
Vacuoles are [blank_start]larger[blank_end] in plant cells than in animal cells.
Question 14
Question
Cell membranes form because the hydrophobic tails on phospholipids try to [blank_start]stay away from[blank_end] water.
Question 15
Question
Which of the following organelles does the Endosymbiotic Theory suggest evolved from symbiotic relationships between prokaryotic cells?
Answer
-
mitochondria
-
Golgi bodies
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chloroplasts
-
ribosomes
Question 16
Question
The substance that dissolves to make a solution is called the...
Answer
-
diffuser
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solvent
-
solute
-
concentrate
Question 17
Question
During diffusion, molecules tend to move...
Answer
-
up the concentration gradient
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down the concentration gradient
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from an area of lower concentration to an area of higher concentration
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in a direction that doesn't depend on concentration
Question 18
Question
When the concentration of a solute is the same throughout a system, the system has reached...
Answer
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maximum concentration
-
homeostasis
-
osmotic pressure
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equilibrium
Question 19
Question
The diffusion of water across a selectively permeable membrane through aquaporins is called...
Answer
-
active transport
-
pinocytosis
-
osmosis
-
phagocytosis
Question 20
Question
Phagocytosis, pinocytosis, and exocytosis are all kinds of [blank_start]active[blank_end] transport.
Question 21
Question
Glucose enters most rapidly by...
Question 22
Question
Energy for active transport comes from a cell's...
Answer
-
Golgi complex
-
nucleus
-
mitochondria
-
lysosomes
Question 23
Question
[blank_start]Active[blank_end] transport requires energy from ATP to move substances across membranes.
Question 24
Question
White blood cells engulf, digest, and destroy invading bacteria using...
Answer
-
facilitated diffusion
-
pinocytosis
-
phagocytosis
-
osmosis
Question 25
Question
Endocytosis that brings in small dissolved molecules (solutes) and fluids is called...
Answer
-
pinocytosis
-
phagocytosis
-
facilitated diffusion
-
osmosis
Question 26
Question
Golgi bodies use [blank_start]exocytosis[blank_end] to transport molecules out of cells.
Answer
-
ion channels
-
phagocytosis
-
pinocytosis
-
exocytosis
Question 27
Question
The pressure exerted by water is called [blank_start]osmotic[blank_end] pressure.
Answer
-
proton
-
diffusion
-
selectively permeable
-
osmotic
Question 28
Question
Placing an animal cell in a hypotonic solution will cause water to...
Answer
-
move into the cell
-
move out of the cell