Pregunta 1
Pregunta
The basic organizational structure of the human body is...
Respuesta
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the nucleus
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the cell
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energy
Pregunta 2
Pregunta
How many cells are in the human body?
Respuesta
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75 billion
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75 trillion
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100 billion
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100 trillion
Pregunta 3
Pregunta
Cell size is measured in...
Respuesta
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nanometers
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micrometers
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picometers
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kilometers
Pregunta 4
Pregunta
What is it called when cells specialize?
Respuesta
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differentiation
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specialization
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diffusion
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filtration
Pregunta 5
Pregunta
What does differentiation do to a cell?
Respuesta
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change the size
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change the shape
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change the function
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change the color
Pregunta 6
Pregunta
Which is not a major part of a composite cell?
Respuesta
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nucleus
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cytoplasm
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chromosome
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cell membrane
Pregunta 7
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The nucleus is the brain of the cell
Pregunta 8
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Cytokinesis is the fluid of the cell and contains cytosol.
Pregunta 9
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Cell membrane is the innermost part of a cell
Pregunta 10
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Cholesterol stabilizes the membrane
Pregunta 11
Respuesta
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receptors
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enzymes
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CAMS
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self-markers
Pregunta 12
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The cell membrane is also called the Plasma membrane
Pregunta 13
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The plasma membrane chooses what goes in and out of the cell
Pregunta 14
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The cell membrane allows everything into the cell
Pregunta 15
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The phospholipid bilayer has water-soluble tails
Pregunta 16
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The water-soluble heads of the phospholipid bilayer are hydrophilic
Pregunta 17
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CAMs are Cell Adenosine Molecules
Pregunta 18
Pregunta
What allows white blood cells to "anchor"?
Respuesta
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selectin
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integrin
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cilia
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flagellum
Pregunta 19
Pregunta
What allows white blood cells to enter through capillary walls?
Respuesta
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integrin
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flagellum
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selectin
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cilia
Pregunta 20
Pregunta 21
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Cytoskeleton forms supportive framework and is made of protein rods and tubules.
Pregunta 22
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The Endoplasmic Reticulum...
Respuesta
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is connected, has membrane bound sacs canals and vesicles
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contains a rough and smooth
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is a transport system
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is for the processing or synthesizing of protein
Pregunta 23
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The rough ER is studded with proteins
Pregunta 24
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Ribosomes are only connected to the ER
Pregunta 25
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The golgi apparatus modifies, packages, and delivers proteins
Pregunta 26
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Mitochondria generate energy
Pregunta 27
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Centrosomes are NOT
Pregunta 28
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Lysosomes and peroxisomes are both enzyme-containing sacs
Pregunta 29
Respuesta
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digest worn out cell parts or unwanted substances
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break down organic molecules
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used to produce cilia
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used to produce flagellum
Pregunta 30
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Cilia are short hair-like projections
Pregunta 31
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Flagellum are short hair-like projections
Pregunta 32
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Cilia are NOT...
Respuesta
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short hair-like projections
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used to propel substances on cell surface
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mainly located in the respiratory tract
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used to provide motility to sperm
Pregunta 33
Pregunta
Microfilaments and microtubules...
Pregunta 34
Pregunta
The cell nucleus contains...
Respuesta
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nuclear envelope
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ribosomes
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nucleolus
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chromatin
Pregunta 35
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The nuclear envelope has a porous double membrane and separates nucleoplasm from cytoplasm
Pregunta 36
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The nucleolus is a dense collection of DNA and proteins.
Pregunta 37
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The nucleolus produces ribosomes
Pregunta 38
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Chromatin is fibers of DNA and proteins
Pregunta 39
Pregunta
Chromatin stores info for the synthesis of proteins