Kategorien: Alle - cytoplasm - membrane - proteins - nucleus

von Jennifer Juarez Vor 3 Jahren

415

Transcription

Eukaryotic cells contain various organelles, each with specialized functions. The nucleus, surrounded by a nuclear envelope with pores, houses chromatin and the nucleolus. The endoplasmic reticulum, both rough and smooth, is involved in protein and lipid synthesis.

Transcription

Endomembrane system

ATP

Dimer

chromosomes

Bacteria

contains

capsule
Ribosomes
flagella
ORI

DNA polymerase

DNA pol I

Ligase

DNA Pol III

deoxynucleotide triphosphates

new strand
deoxyribose sugar

DNA Replication

Single-stranded binding

RNA primer

Topoisomerase

helicase

Lagging strand
polynucleotide strand

intermediate filaments

microfilaments

microtubules

tubulin

Actin filaments

myosin

Actin

dimers
protofilaments
polypeptide subunits

Switch On/off

Downstream

Upstream

G Proteins

Protein Kinase

increased Cell Division

Ras Protein

Protein Kinases

Normal Cell Division

Cellular response

cellular respiration

Eukaryotic cell organelles

Double membrane
crystalloid core

lysosomes

membrane
Glycosylated membrane transport proteins

lipid layer

hydrolytic enzyme mixture

outer membrane
intermembrane space

color codes:

inter membrane space

inner membrane

ATP synthase particles

cristae

matrix

granules

Cytoskeleton

filaments

Golgi apparatus

vesicle
trans face

cis face

cisternae

lumen

incoming transport
secretory
newly forming

ribosomes

Proteins
Membrane proteins
Integral Proteins

Transmembrane Protein

Peripheral proteins
Glycoproteins
Free ribosome
ER or Mitochondria, nucleus, peroxisomes, chloroplast, cytoplasm, or out the cell

nucleus

nuclear pores
nuclear envelope

chromatin

nucleoplasm

nucleolus

Endoplasmic reticulum

rough ER
smooth ER

plasma membrane

Facilitated diffusion
Osmosis (water)
Active transport
passive transport
phospholipid bilyar
lipid molecule

fatty acid

Glycerol backbone

phosphate group

unsaturated

trans-fatty acid

polyunsaturated

monounsaturated

saturated

Biosphere

Communities

populations
Organisms

Organs

Tissues

Cells

prokaryotic

Eukaryotic

plant

cell wall

vacuoles

cytoplasm

organelles

chloroplasts

photosynthesis

mitochondria

respiration

plasmodesmata

animal

Extracellular matrix

proteins and carbohydrates

Cell communication within tissue and tissue formation

cell membrane

made of proteins and lipids

tight junctions, desmosomes, and gap junctions

Cytosol

peroxisomes
Chlorplast
Mitochondria

Signal peptidase

RNA Polymerase

Free Ribosomes

enter the endomembrane system by going:

Rough ER
Protien folding

Glycoprotein

Golgi Apparatus

Lysosomes

out the cell to be used outside

preMRNA

RNA Polymerase II

separates 2 strands of DNA to join complementary RNA

tRNA

Mutations

Frameshift
Nonsense
Missense
Initiation of Translation

Aminoacyl-tRNA synthetases

Codon Recognition

Cell Communication/Signalling

Feedback regulation

Negative feedback
decreased gene expression
Positive feedback
increased gene expression

long distance

local

Reception

Transduction
Response

regulate activity of proteins causing/inhibiting gene expression

Turn on/off genes

Signaling Pathway

signal molecule
receptor protein

Tyrosine Kinase Receptor

Receptor tyrosine kinase proteins

Kinase

Signal Molecule

Tyrosines

Tyrosine kinase receptor

relay proteins

Transcription factors

Coding DNA for transcription of a specific gene

GPCR

First Messenger
G protein

INACTIVE= GDP BOUND

active= GTP BOUND

Adenyl Cyclase

cAMP (Secondary messenger)

Protein Kinase A

enzymes that transfer phosphate group from ATP to proteins

ATP- Adenosine Triphosphate

Cellular Response

Transcription

Eukaryotes

Nucleus
DNA
TATA box

meth=start codon

Prokaryotes

Cytoplasm
Initiation

F meth= start codon

Termination

mRNA

Translation

Elongation