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level: 1.1 CELLS

Questions and Answers List

level questions: 1.1 CELLS

Question	Answer
Plasma membrane's 3 characteristics	Resistant, highly elastic, Repair
Two types of cells	Prokaryotic and Eukaryotic
Plasma membrane aka:	plasmalemma or cell membrane
protoplasm is combination of?	Nucleoplasm and cytoplasm
basic structural unit of living things	Cell
Ground substance?	Cytoplasm
cell that lacks nuclear envelope; substance mixed or is in direct contact with the protoplasm	Prokaryotic
has the presence of a true nucleus surrounded by nuclear envelope	Eukaryotic
part of cytoplasm nearer the nucleus; where organelles live.	Endoplasm
part of cytoplasm: no organelle	exoplasm
distinct cellular entities with essential fxs	Organelles
non-essential; temporary constituents	Inclusions
Ground substance of cytoplasm that is liquid; sol phase with active stream	endoplasm
Cytoplasm ground substance: gel stage	exoplasm
site of protein synthesis	ribosomes
complex organelle with flat tubules and networks	Endoplasmic reticulum
organelle containing ribosomes	Granular endoplasmic reticulum
what organelle in striated msc: release & capture Ca+ ions	Agranular endoplasmic reticulum
in what cells do Smooth ER fx for cholesterol & lipid metabolism and detox?	Liver cells
fx of smooth ER in endocrine gland	steroid biosynthesis
powerhouse of cell ?	mitochondria
acts as containers or ER	Cisternae
product of mitochondria	ATP
walls of mitochondria is called	cristae
discovered Golgi apparatus	Camillo Golgi
deliver raw materials to be processed	transport vesicle
organelle that is hard to see and stain	Golgi apparatus
outer portion of Golgi apparatus	trans face
part of Golgi apparatus that faces the nucleus	cis face
fx: refines substances and site for accumulation and conc. of secretory products	Golgi apparatus
product of Golgi bodies	hydrolytic enzymes
fx: digestion	lysosome
has hydrolytic enzyme mixture	lysosome
this type of lysosome rest with no fx	primary lysosome
what causes primary lysosome to be secondary?	fusion with other membrane bound substance
type of lysosome with active digestion	secondary lysosome
other term for centrosome	centrosphere
“cell center”	centrosome
the cytoplasm surrounding centriole pair	centrosome
fx: cell division	centrosome
self duplicating	centriole
test tube-like of centriole	short rods
centriole has __ microtubule with ___ groups in a rod	3 and 9
acts as basal bodies and site of epithelial celia	centriole
extension of centriole	flagella
aka cytoskeleton	filaments
24nm; long cylindric and slender	microtubule
8-12nm; for support	Intermediate filaments
8nm (4-15) in diameter	microfilaments
lifeless metabolites or cell products	cytoplasmic inclusions
sample of cytoplasmic inclusions	fat droplets
archive of cell	nucleus
Nucleus is absent in	RBC
particles that control the synthetic acts of cytoplasm	rRna, tRna and mRna
Part of nucleus: site of materials from nucleoplasm and cytoplasm exchange	nuclear pore
Part of nucleus: nucleus cover	nuclear envelope
Part of nucleus: contain DNA and proteins	nuclear chromatin
Part of nucleus: round	nucleolus
Part of nucleus: organized with paired chromatid	Chromosome
part of chromosome: paired part	chromatid
fx for storage	vacuole
peroxisome contains	hydroxy oxidase
fx for oxidation	peroxisome
identify A	inner membrane
identify B	outer membrane
identify C	cristae
identify D	matrix
IDENTIFY A	nuclear envelope
IDENTIFY B	chromatin
Identify C	nuclear pores
identify D	nucleus
identify E	nucleolus
identify F	cisternae
IDENTIFY A	incoming transport vesicle
identify B	lumen
IDENTIFY C	cisternae
IDENTIFY D	newly forming vesicle
IDENTIFY E	secretory vesicle