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Life, 4/e

Ricki Lewis, University of New York at Albany
Mariëlle Hoefnagels, University of Oklahoma
Douglas Gaffin, University of Oklahoma
Bruce Parker, Utah Valley State College

Cells

Chapter Quiz


1	Who was the first microscopist to view an outline of cells?
		A)	Janssen
		B)	Robert Hooke
		C)	Leeuwenhoek
		D)	Matthias Schleiden


2	True or false: The cell theory was firmly established in the nineteenth century and has not changed since.
		A)	True
		B)	False
		C)
		D)


3	The cells of the Eukarya can grow larger than the cells of the Bacteria or the Archaea because:
		A)	the Eukarya are more advanced
		B)	the Eukarya have existed on Earth longer
		C)	the Eukarya have membranous organelles
		D)	none of the Eukarya are unicellular


4	True or false: The bacteria as a group consist of only a few species.
		A)	True
		B)	False
		C)
		D)


5	Bacteria that have cell walls with thick layers of peptidoglycan are:
		A)	gram-positive
		B)	gram-negative
		C)	rod-shaped
		D)	spirilla


6	In what way are the Archaea more similar to the Eukarya than to the Bacteria?
		A)	share similar surface molecules
		B)	same nucleic acid composition
		C)	Archaea have histones with their genetic material.
		D)	share the same habitats


7	Membrane-bound compartments in eukaryotic cells are called:
		A)	organelles
		B)	tissues
		C)	organs
		D)	cytoplasm


8	True or false: Traffic through the pores of the nuclear membrane is regulated by special molecules called importins and exportins.
		A)	True
		B)	False
		C)
		D)


9	The structure in which proteins and RNA are made into ribosomes is called the
		A)	nucleolus
		B)	nucleus
		C)	cytoplasm
		D)	rough endoplasmic reticulum


10	Membranous sac-like structures that are formed from the smooth endoplasmic reticulum are called
		A)	mitochondria
		B)	Golgi complexes
		C)	vacuoles
		D)	vesicles


11	In which of the following cells would you expect to find the most mitochondria?
		A)	brain
		B)	stomach
		C)	liver
		D)	muscle


12	True or false: Mitochondria are inherited from the female parent.
		A)	True
		B)	False.
		C)
		D)


13	The function of the Golgi apparatus is to
		A)	degrade and recycle worn-out cell parts
		B)	produce energy
		C)	process and modify cell products
		D)	store pigments and carbohydrates


14	Where are lysosomal enzymes manufactured in the cell?
		A)	Golgi apparatus
		B)	rough endoplasmic reticulum
		C)	within the lysosomes
		D)	inner side of cell membrane


15	What is/are the function(s) of lysosomes?
		A)	engulf cellular debris
		B)	break down cholesterol
		C)	kill bacteria engulfed by white blood cells
		D)	All of these are correct.


16	What plant organelle serves a function similar to that of animal lysosomes?
		A)	central vacuole
		B)	chloroplasts
		C)	mitochondria
		D)	All of these are correct.


17	True or false: Only animal cells contain peroxisomes.
		A)	True
		B)	False
		C)
		D)


18	Peroxisomes function to
		A)	produce toxic compounds
		B)	concentrate acids
		C)	help the cell use oxygen
		D)	help the cell defend against predators


19	What organelle temporarily stores or transports substances within the cell?
		A)	chloroplast
		B)	lysosome
		C)	nucleus
		D)	vesicle


20	The endosymbiont theory proposes that chloroplasts and mitochondria evolved from (blank) and were engulfed by larger (blank).
		A)	archaea; eukarya
		B)	bacteria; archaea
		C)	bacteria; eukarya
		D)	eukarya; bacteria


21	True or false: Genetic evidence does not substantiate the endosymbiont theory.
		A)	True.
		B)	False
		C)
		D)

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