Pregunta 1
Pregunta
The lipid bilayer is composed primarily of what two biological molecules?
Pregunta 2
Pregunta
Which of the following eukaryotic intracellular components are NOT organelles
Respuesta
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Golgi apparatus
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Cytoskeleton
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ER
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Lysosome
Pregunta 3
Pregunta
Animal cells contain
Respuesta
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chlorophyll
-
chloroplasts
-
cell membranes
-
cell walls
Pregunta 4
Pregunta
Which of the following phrases best matches the definition of the term hydrophobic?
Respuesta
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"water-hating"
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"water loving"
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"water-impartial"
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"water-storing"
Pregunta 5
Pregunta
The term hydrophilic means which of the following
Respuesta
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Repelled by water
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Insoluble in water
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Non-water containing
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Attracted to water
Pregunta 6
Pregunta
The most abundant class of lipids found in the lipid bilayer are _________.
Respuesta
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Phospholipids
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Glycolipids
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Sphingolipids
-
Liposomes
Pregunta 7
Pregunta
What is the name of the process by which plants convert light energy into biological energy?
Pregunta 8
Pregunta
Which of the following is NOT a property of the lipid bilayer?
Respuesta
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Fluidity
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Impermeability
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Polarity
-
Permeability
Pregunta 9
Pregunta
Which type of cell HAS a nucleus?
Respuesta
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prokaryotic
-
eukaryotic
-
virus
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jail :D
Pregunta 10
Pregunta
What organelle is responsible for carrying out photosynthesis?
Respuesta
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Mitochondria
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Nucleus
-
Vacuole
-
Chlorplasts
Pregunta 11
Pregunta
Molecules done being processed in the ER are often transported to which structure?
Respuesta
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Peroxisomes
-
Mitochondria
-
Golgi apparatus
-
Vacuoles
Pregunta 12
Pregunta
Which of the following eukaryotic organelles is primarily responsible for cellular digestion?
Respuesta
-
Nucleus
-
Lysosome
-
Mitochondria
-
Golgi apparatus
Pregunta 13
Pregunta
Which of the following is not a specialized plant cellular structure?
Respuesta
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Lysosome
-
Cell wall
-
Chloroplast
-
Vacuole
Pregunta 14
Pregunta
Which structure in plants replaces the function that the mitochondria performs in animal cells? (plants still have mitochondria)
Respuesta
-
Vacuole
-
Cytoskeleton
-
Chloroplast
-
Nucleus
Pregunta 15
Pregunta
What is the name of the process by which molecules naturally flow from an area of higher concentration to one of lower concentration?
Respuesta
-
Respiration
-
Transfusion
-
Dialysis
-
Diffusion
Pregunta 16
Pregunta
Membrane transport that occurs without the input of extra energy can be classified as what type of transport?
Respuesta
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Passive
-
Active
-
Catalytic
-
Inhibitory
Pregunta 17
Pregunta
Membrane transport that requires the input of additional energy is called ___________.
Respuesta
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Passive
-
Active
-
Catalytic
-
Inhibitory
Pregunta 18
Pregunta
What is the main function of the mitochondria?
Respuesta
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Molecular digestion
-
DNA storage
-
Space-filler
-
Energy-producer
Pregunta 19
Pregunta
Which of these is found in the cell nucleus?
Respuesta
-
DNA
-
RNA
-
Chromatin
-
All of the above
Pregunta 20
Pregunta
_____________ ER has ribosomes attached to its outer membrane.
Respuesta
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Smooth
-
Spiked
-
Rough
-
Cytoskeletal
Pregunta 21
Pregunta
Membrane transport is important for which of the following biological processes?
Pregunta 22
Pregunta
The ER plays a major role in processing which of the following biological molecules?
Respuesta
-
Carbohydrates
-
Proteins
-
Adenosine triphosphate
-
DNA
Pregunta 23
Pregunta
Compared to water, the environment inside of the blood cell could be described as:
Respuesta
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hypertonic
-
hypotonic
-
isotonic
-
mesotonic
Pregunta 24
Pregunta
The process of water diffusing into or out of a cell is known as:
Respuesta
-
active transport
-
facilitated diffusion
-
phagocytosis
-
osmosis
Pregunta 25
Pregunta
Diffusion is when the molecules of a substance move from a higher concentration to a lower concentration. Which of the following factors does NOT affect the rate of diffusion?
Respuesta
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particle color
-
particle size
-
temperature
-
concentration gradient
Pregunta 26
Pregunta
What would happen if you gave a patient an IV of pure water?
Respuesta
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their blood cells would shrink
-
their blood cells would burst
-
the patient would slowly become rehydrated
-
water would not be moving
Pregunta 27
Pregunta
I am doing an experiment on osmosis. I take some dialysis tubing (a semi-permeable membrane) and fill it with 50% sugar solution. Sugar molecules are very big, and cannot pass through the membrane if i want to make the tubing gain weight, which beaker should I place it into?
Respuesta
-
Beaker of 70% sugar solution
-
Beaker of water
-
Beaker of 90% sugar solution
-
Beaker of any type of sugar solution
-
None of these would cause the tubing to gain weight
Pregunta 28
Pregunta
If the cell's cytoplasm contains 30% solute, which of the following best describes the rest of the cytoplasm?
Respuesta
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70% solute
-
30% solute
-
70% water
-
30% water
-
30% solvent
Pregunta 29
Pregunta
Protists can move in which of these ways?
Pregunta 30
Pregunta
Energy from ATP is needed for
Respuesta
-
diffusion
-
osmosis
-
facilitated diffusion
-
active transport
Pregunta 31
Pregunta
Which of the following correctly matches an organelle with its function?
Respuesta
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mitochondrion..............photosynthesis
-
nucleus..............cellular respiration
-
ribosome..............manufacture of lipids
-
lysosome..............movement
-
central vacuole..............storage
Pregunta 32
Pregunta
One of the main differences between animal and plant cells is that
Respuesta
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animal cells lack rigid cell walls
-
animal cells have vacuoles
-
plant cells lack rigid cell walls
-
plant cells have small vacuoles