Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
33 Cards in this Set
- Front
- Back
smooth ER
|
lacks ribosomes
|
|
lysosomes
|
are the digestive compartments
|
|
nucleolus
|
round structure visible in the non-dividing nucleus, synthesizes and assembles ribosomal components
|
|
ribosomes
|
build a cell's proteins
|
|
endomembrane system
|
consists of the nuclear envelope, endoplasmic reticulum, golgi apparatus, lysosomes, vacuoles, and plasma membrane
|
|
endoplasmic reticulum (ER)
|
manufactures membranes and performs other biosynthetic functions Rough ER, Smooth ER
|
|
Rough ER
|
cytoplasmic surface attaches ribosomes
|
|
golgi apparatus
|
finishes, sorts, and ships cell products
|
|
phagocytosis
|
ingestion of food particles by lysosomes and food vacuoles
|
|
contractile vacuoles
|
pump excess water out of freshwater protists
|
|
central vacuole
|
found in mature plant cells surrounded by tonoplast
|
|
tonoplast
|
membrane that surrounds central vacuoles
|
|
peroxisomes
|
membrane-enclosed compartments filled with enzymes that consume oxygen
|
|
mitochondria
|
cellular respiration, contains catabolic procces of fuels to produce ATP
|
|
chloroplasts
|
photosynthesis, produce organic compounds from CO2 and H2O by absorbing solar energy
|
|
light microscopes (LMs)
|
refract visible light passing through a specimen such that the projected image is magnified
|
|
resolving power
|
measure of the clarity of an image
|
|
organelles
|
subcellular structures
|
|
electron microscope (EM)
|
focuses a beam of electrons through the specimen
|
|
transmission electron microscope (TEM)
|
beam of electron is passed through a thin section of a specimen with electromagnet lenses
|
|
scanning electron microscope (SEM)
|
electron beam scans the surface of a specimen
|
|
cell fractionation
|
seperates major organelles of a cell so their functions can be studied
|
|
ultracentrifuges
|
centrifuge that can speed up to 80,000rpm
|
|
prokaryotic cell
|
cells with no nucleus
|
|
eukaryotic cell
|
have a true nucleus enclosed in a nuclear membrane
|
|
nucleoid
|
concentrated region of the dna in prokaryotic cells
|
|
cytosol
|
semi-fluid liquid in which numerous orgnalles are suspended in the nucleus
|
|
cytoplasm
|
entire region between the nucleus and the membrane
|
|
nucleus
|
contains a eukaryotic cell's genetic library
|
|
nuclear envelope
|
a double membrane perforated by pores that regulate the movement of large macromolecules between the nucleus and cytoplasm
|
|
nuclear lamina
|
lines the inner membrane with a layer of protein filaments
|
|
chromatin
|
organized dna whitin the nucleus
|
|
chromosome
|
composed of chromatin, visible only when coiled and condensed
|