Structures within the Cell Flashcards
command center of the cell
nucleus
the outernuclear membrane is continous with what structure
endoplasmic reticulum
this form of chromatin is most abundant
Euchromatin
site of dna transcription
nucleus
responsible for ribosomal rna synthesis
nucleolus
this form of chromatin is transcriptionally inactive
heterochromatin
this is a complex of dna, histone proteins
chromatin
barr bodies
heterochromatin
basic repeating unit of chromatin fibers
nucleosome
condensed/dark inactive barr bodies
heterochromatin
dispersed/light actively transcribed
euchromatin
1 47 xxy bar body
klinefelter’s syndrome
2 47 xxx bar body
super female
contains their own set of DNA
mitochondria
site of post tranlational modification
Golgi apparatus
sequestration and release of calcium ions in striated muscle.
sarcoplasmic reticulum
consists of large and small subunits
ribosomes
synthesis of steroid hormones, phospholipids and TAG
smooth reticulum
protein sorting and packaging
Golgi apparatus
site of synthesis of secretory proteins, membrane bound protein and lysosomal enzymes
rough er
involved in the production of Coa, TCA, beta oxidation and oxidative phosphorylation
mitochondria
disease associated with mitochondrial genome defect
MELAS
muscle weakness, pain, seizure, hemiparesis, dementia
MELAS
drug detoxification
smooth er