Lecture 9 Flashcards
Chapter 6
Cell Fractionation
Similar to reduction for cells
Centrifuge
mimics gravity, operates on density
Downside of cell fractionation
kill the cell
Pro..
no nuc
Pro are ____ than Eu
smaller
Prokaryotes contain 8 things
- Fimbriea 2) cytosol 3) capsule 4) cell wall 5) flagella 6) plasma membrane 7) nuceloid 8) ribosomes
Cell wall is made of
proteins and carbs
Cell membrane is ______ permable
selectively
General cells contain (2)
1) cytoplasm 2) cell membrane
cytoplasm is made of
phospholipids
cell membrane is made of
phospholipids
cell membrane is ____ of the cell
brain
Prokaryotes are the most _______
success life forms
Surface to volume ratio is _______ as the cell decreases
INCREASED
Why are cells small ? (3)
1) enhanced communcation 2) better control 3) better control of activites
Smaller volume and surface area means
better effenciency
Plant Cell characteristics (3)
Cell Wall, chloroplasts, centriole vacuole
Animal Cell characteristics (5) SMALL
Lysosomes, microvilli, flagellum , centrosomes, centrides
Centrosomes and centrides
cell division with chromosomes
compartmentalization is
the key to function
membrane bound organelle examples
mitochondria, lysosomes, nucleus
Can’t ____ functions
co-op
Nucleus is the ____ center
info
Nucleus contains (3)
chromosomes , genes, dna/rna
nucleus is the _______ center
reproductive center
nucleus is ____ membrane bound
double
3 layers of Nucleus
Outter, inter, and inner
Which nucleus layer has a unique structure
Inner
Inner layer has what special ?
Nucleus Lamina
Purpose of nucleus lamina
Holds nucleus up
Surface of nucleus contains
nucleus pores
Liquid in nucleus
Nucleoplasm
Nucleous is _____ stainted
darkly
Chromatin vs Chromosomes
Same but different forms
What C is hard to see
Chromatin
______ divided turns to ______
Chromatin, chromosomes
Ribosomes def
sites of protein synthesis, small
Ribosomes are ___
small
Ribosomes can be either ….
bound vs free
Endoplasmic Reticulum is most ______ of system
abundant
ER does what
transport vesicles/toxins
When ribosomes are bound to ER—->
Rough ER
Smooth ER has…..
NO ribosomes
Smooth ER is commonly found in (2)
liver cells and muscle cells
Smooth ER function
Detoxifying drugs, alc, poisins, toxins, store calcium, lipids, metabolize carbs
Golgi Apparatus is _____, looks like ____
layered; pita bread
GA has a ______
Cis Face
2 Cis Face sides
Recieiving and Shipping
Recieiving side GA
recieves transport vesicles carrying protien
shipping side GA
called a trans side, which sends those proteins via transport vehicles to other parts of the cell
GA is also called the _____ of the cell
POST OFFICE
Protiens in the GA are (3)
modifided, tagged and labled OR chem iden, mod, destination
______ may form transort vehicles wihin the GA
Cisternae
Lysosomes def
Digestive cap of cell??
Lysosomes are (2)
single membraned, hydrolytic enzymes
Lysosomes 3 functions
1) protozoins 2) autophagy
2 different vacuoles
food vacuole and Contractile vacuoles
Mitochondria _ chromosomes
energy transformers
Mitochondria does
cellular respiration