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Cell Biology
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Which of these terms best describes the internalization of a specific protein from outside the cell?
Receptor-mediated endocytosis
Lysosome
Phagocytosis
Pinocytosis
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Which of the following helps maintain the shape of the nucleus?
Nuclear lamina
Nuclear envelope
Nuclear localization signal
Nuclear pore
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A plant cell surrounded by a hypertonic solution will respond by:
Bursting
Storing waste in the central vacuole
Losing water while maintaining its cell wall shape
Putting pressure on the cell walls through a central vacoule
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What is another term for the intracellular space?
Cytoplasm
Phospholipids
Cholesterol
Bilayer
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Which of the following is true about chlorophyll?
Exists in the stroma
Is broken down into a food source
It is a protein
Absorbs specific light wavelengths
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Which of the following functions is carried out by intermediate filaments but not microtubules?
Movement of structures within the cell
Cell movement
Cell division
Providing nuclear lamina structure
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What type of transport uses membrane proteins to passively move solutes?
Facilitated diffusion
Osmosis
Simple diffusion
Active transport
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The purpose of cellulose is to:
Provide strength to the cell wall
Store water
Regulate digestive enzymes
Create an acidic environment
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Which does NOT describe the inner membrane of the mitochondria?
Impermeable
Selectively permeable
Folds to create cristae
Contains components for cellular respiration
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The _____ is a double membrane that shields the nucleus.
DNA
nuclear envelope
nucleolus
chromatin
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What do all eukaryotes have that prokaryotes do not?
Nucleus
Cytoskeleton
Cell membrane
DNA
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Where can you NOT find ribosomes performing translation?
Cytoplasm
Mitochondria
Chloroplasts
All of these are places that you can find ribosomes
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Where is the starting point of ribosome synthesis?
Nuclear pore
Nuclear localization signal
Nuclear envelope
Nucleolus
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How is the phospholipid bilayer oriented?
One head layer touches the second tail layer
Tails face inward towards each other
Heads face inward towards each other
Head and tails alternate directions within a layer
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Active transport involves
Chemical energy
Simple diffusion
The movement of water
Sodium ions
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Which of the following cells might have the most mitochondria?
None of these cells have mitochondria
Skin cell
Cardiac muscle cell
Bacterium
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What is the fundamental unit of life?
Fatty Acids
Water
Cells
Phospholipids
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Which of the following describes prokaryotic DNA?
It is linear.
It is circular.
It is within a nucleus.
It is usually larger than eukaryotic DNA.
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What language does the word 'hydro' come from?
Russian
Latin
Persian
Greek
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A foreign cell has entered your blood stream. Which process describes how it can be engulfed by one of the cells in your immune system?
Exocytosis
Phagocytosis
Lysosome
Pinocytosis
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What type of cell might have more smooth ER?
Skin
Heart
Liver
Nerve
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Which of the following describes a process that involves viral replications and assembly within a host, followed by bursting the host cell wall?
Lysogenic cycle
Lytic cycle
Prophage
Replication
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The following cytoskeleton component(s) can be dynamic, shrinking and growing by adding and subtracting subunits:
Microtubules and Microfilaments
Microtubules and Intermediate filaments
Microtubules only
Microfilaments only
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