Another quiz p6 :((( Flashcards
NUCLEUS
——- shaped
FUNCTIONS:
1. Controls —
2. Directs —-
3. Produces —- in the —-
Spherical or oval shaped
structure, cellular structure, cellular activities, ribosome, nucleoli
Nuclear envelope functions
—
—
❑ Separates nucleus and plasma membrane
❑ LIPID BILAYER
NUCLEAR PORES functions
—-
—-
❑ Circular arrangement of proteins
❑ Control movement of subs b/w nucleus and cytoplasm
NUCLEOLI functions
—-
-Each with cluster of —- and —— not enclosed by a
membrane
❑ Produces RIBOSOMES
❑ DNA and RNA
GENES
—
Controls —- and —-
-Cell’s hereditary unit
❑ cellular structure and direct cell activities
CHROMATIN
—-
Complex of DNA, proteins and some RNA
GENOME
——
Total genetic information carried in a
cell/organis
NUCLEOSOME
Beads
——
❑ Beads
❑ Double stranded DNA wrapped twice around
the HISTONES (organizes and folds the DNA)
LINKER DNA
—-
String between the beads
CHROMATIN FIBER
——
Coils the nucleosomes, which then
folds into larger loops
CHROMATIDS
—-
DNA replicates and the loops
condense more forming this PAIR
—— function is more support/ attachment
Peripheral proteins
——-
-allows interaction to occur
-enables movement of membrane components responsible for cellular processes
-allows the lipid bilaterally to self seal when punctured
membrane fluidity
Integral proteins form the —- —-
—-:pores or holes
function: passage of —-
ion channels
Other integral proteins acts as —-
—— : known as transporters, —- molecules to the inside part
function- move —— —- from one side to another
Carrier, carrier, carries, move polar substances from one side to anotherb