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The unit of measurement often used to measure cell size is the


A) millimeter.
B) micrometer.
C) hectometer.
D) centimeter.
E) meter.

F) A) and E)
G) A) and D)

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_____________ is the general term for all cellular contents located between the plasma membrane and the nucleus.

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Which of these is considered a "gate keeper" that regulates the passage of materials in or out of the cell?


A) Cilia
B) Plasma membrane
C) Lysosome
D) Cholesterol molecule
E) Flagellum

F) A) and C)
G) All of the above

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Metastasis is


A) the abnormal development of a tissue.
B) the movement or spread of malignant cells.
C) an obvious loss of cellular or structural differentiation in the orientation of cells to each other.
D) a generalized increase in the size of a part of an organ.
E) an increase in the normal number of cells within a tissue or organ.

F) B) and D)
G) A) and B)

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B

The cellular uptake of large particulate substances and macromolecules is called endocytosis.

A) True
B) False

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Identify the organelle that provides enzymes for autolysis.


A) Peroxisomes
B) Mitochondria
C) Smooth ER
D) Golgi apparatus
E) Lysosomes

F) B) and E)
G) All of the above

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The first "R" in RER stands for _______________.

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rough

Which is not a membrane-bound organelle?


A) Endoplasmic reticulum
B) Lysosome
C) Golgi apparatus
D) Peroxisome
E) All of the choices are correct.

F) A) and E)
G) B) and D)

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Collagen produced by ____________ cells forms ligaments that attach bone to bone.

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Proteins that are embedded within,and extend across,the phospholipid bilayer are called _____ proteins.


A) catalytic
B) integral
C) cytoskeleton
D) peripheral
E) transport

F) C) and D)
G) A) and C)

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All resting nucleated human cells contain


A) melanin.
B) chromosomes.
C) chromatin.
D) insulin.
E) glycogen.

F) A) and B)
G) A) and E)

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Cancers are more prevalent in the elderly because the mechanism of cell division becomes faultier with age.

A) True
B) False

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Materials tend to move less rapidly when their concentrations are significantly different between two compartments.

A) True
B) False

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The organelles responsible for organizing microtubules that are a part of the mitotic spindle are called


A) centrioles.
B) nucleoli.
C) microvilli.
D) cilia.
E) vesicles.

F) B) and C)
G) None of the above

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The interphase period of cell division has ______ distinct phases.


A) 2
B) 3
C) 4
D) 5
E) 6

F) B) and E)
G) All of the above

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B

Some cells are designed solely to produce new individuals.

A) True
B) False

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Which are not considered to be "inclusions" in the cytoplasm?


A) Melanin droplets
B) Protein droplets
C) Ribosomes
D) Glycogen granules
E) Lipid droplets

F) A) and D)
G) B) and D)

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Fibroblast cells form protein fibers that function to attach structures together.

A) True
B) False

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Human body cells have many functions,including


A) making connections.
B) providing for defense.
C) lining surfaces.
D) producing new cells.
E) All of the choices are correct.

F) None of the above
G) A) and E)

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_____________ are short,membrane-attached projections containing microtubules that occur in large numbers on exposed membrane surfaces.

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