NeuroInformatics
Course at ETH
Course at ETH
Fichier Détails
| Cartes-fiches | 28 |
|---|---|
| Langue | English |
| Catégorie | Informatique |
| Niveau | École primaire |
| Crée / Actualisé | 09.06.2013 / 11.05.2021 |
| Lien de web |
https://card2brain.ch/box/neuroinformatics
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| Intégrer |
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What is an electron?
a subatomic particle with a negative elementary electric charge
When is an object negatively charged?
If it has an excess of electrons
SI unit of electic charge?
Coulomb (C)
What is the electric charge?
A fundamental conserved property of some subatomic particles, which determines their electromagnetic interaction.
e (elementary charge) is approximately how big?
1.602x10-19 Coulombs
What is the charge of a proton / electron?
e /-e
What is a electric field ?
a vector field assigning a magnitude and direction to eac point in space
Formula for an electric field E?
E = F/q
F is electric force experienced by the particle(N)
q is its charge
E is the electric field wherein the particles is located
(N/C = V/m)
If the electric field is conservative, how can E be calculated?
E = grad(v),
What is the defintion of the voltage if the electric field is conservative?
The voltage V between two points is equal to the electrical potentail difference.
In which system the Voltage is measured?
V for Volts
What is the nucleolus?
non membranous organelle, consists of RNA and ribosomes.
It is in the nucleus.
Involved in production of ribosomes.
What is a nucleus?
It contsists of the nuclear envelope, nucleoplasm and nucleolus. Most important a big amount of the DNA.
What is a ribosome?
production of proteins,
free in cytoplasm or bound to rough ER
What are vesicle?
Vesicle build their own cell compartements, in which happens different cellulare processes.
single or double membrane.
What is rough ER and ER?
A Network of membranous sacs and tubes.
Active in membrane synthesis and other synthetic and metabolic process.
rough: with ribosome and smooth without
What is the Golgi apparatus?
Active in synthesis, modification, sorting and secretion of cell procucts.
What is a mitochondria?
Organelle where cellular respiration occurs and most ATP is generated
What is the cytoskeleton?
reinforces cell's shape functions in cell movement, made of protein:(microfilaments, intermediat filaments, microtubles)
What is a vacuole?
Only in some cells.
Closed compartements filled with water. Containing inorganic and organic molecules including enzymes in solution formed by mult. vesicle.
function:
Isolating materials that might be harmful or a threat to the cell
Maintaining internal hydrostatic pressure or turgor within the cell
Exporting unwanted substances from the cell
What is cytoplasm?
most of the cell's metabolic activites occures in the cytoplasm.
It is the entire region between the nucleus and the plasma membrane
What is a lysosome?
digestive organelle where macromoleculare are hydrolyzed.
hat sauren ph -Wert, sind z.T, ableger vom Golgi apparatus
What is the Centrioles within centrosome?
Centrosome are involved in the organization of the mitotic spindle (segregates the chromosom) and in the completion of cytokinesis (divide one to two cells)
It contains a pair of centrioles (which are perpendicular to each other) (funciton unkonwn)
What is the main purpose of a neuron?
transfer information
There are two kind of signals in a neuron, name them and explain how they word.
long-distance (electrical signal)
short-distance(chemical siganl)
What is a interneuron?
they are here for local (short) connections example in the brain. They are not long.
Draw a cell, with all components you know
1. Nucleolus
2. Nucleus
3. Ribosome
4. Vesicle
5. Rough endoplasmic reticlulum
6. Golgi apparatus
7. Cytoskeleton
8. Smooth ER
9. Mitochondria
10. Vacuole
11. Cytoplasm
12. Lysosome
13. Centrioles within centrosome
Draw a neuron.
see img.
