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level: Level 1

Questions and Answers List

level questions: Level 1

Question	Answer
high reactive chemicals	free radicals
structural units of all living things	cell
Where did the founder of the cell saw it first and decided to name it cell	plant cell - cork
high reactive chemicals	free radicals
structural units of all living things	cell
it demonstrated most of these typical feature	generalized cell
when nuclear envelope fuses what opening generates	nuclear pores
who named the word cell	Robert Hooke
the headquarters or the control center	Nucleus
encloses jellylike fluid	nucleoplasm
impermeable junctions that encircle and bind them together into leakproof sheets	tight junctions
bottomlike thickenings of adjacent plasma membrane	desmosomes
a double membrane barrier	nuclear envelope
allow communication	gap junctions
cellular material outside the nucleus and inside the plasma membrane	cytoplasm
neighboring cells are connected by hollow cylinders composed of what	connexons
semitransparent fluid that suspends the other elements	cytosol
stored nutrients or cell products floating in the cytosol	inclusions
role of glycoproteins in glycocalyx	adhesive
cellular compartments	organelles
tiny bilobed, dark bodies made of proteins	Ribosomes
powerhouse of the cell	mitochondria
provides energy for all cellular work	ATP
variety of RNA	ribosomal RNA
studded with ribosomes	rough endoplasmic reticulum
small sacs of membrane	transport vesicles
network within cytoplasm	endoplasmic reticulum
communicates with the rough variety, no role in protein synthesis	smooth endoplasmic reticulum
cells that dispose of bacteria and cell debris	phagocytes
all proteins leaving golgi apparatus accumulate in sacs called	golgi vesicles
digestive enzymes	lysosomes
high reactive chemicals	free radicals
membranous sacs containing powerful oxidase	peroxixomes
stack of flattened membranous sacs	golgi apparatus