Term
What is a model organism? |
|
Definition
A well established biological system |
|
|
Term
What are the five characteristics of model organisms? |
|
Definition
Rapid rate of development, easily genetically manipulated, short life span, readily available and large numbers of offspring |
|
|
Term
Why don't we study humans instead of model organisms? |
|
Definition
They do not fit the requirements of modern organsims |
|
|
Term
What is the bacteria model organism? |
|
Definition
|
|
Term
What charge is E. coli's cell wall? |
|
Definition
|
|
Term
How frequently do E. coli divide? |
|
Definition
|
|
Term
What does homologue mean? |
|
Definition
A gene related to another gene by descending from a common ancestor |
|
|
Term
What does ortholouge mean? |
|
Definition
Genes in different species that have come from a common ancestor |
|
|
Term
What does paralogue mean? |
|
Definition
Genes formed from a duplication in the genome |
|
|
Term
What are the two yeast model organisms? |
|
Definition
Saccharomyces cerevisiae and Schizosaccharomyces pombe |
|
|
Term
How does the S. cerevisiae divide? |
|
Definition
|
|
Term
How does the S. pombe divide? |
|
Definition
|
|
Term
How often does the S. cerevisiae yeast divide? |
|
Definition
|
|
Term
What four things is the S. cerevisae yeast studied for? |
|
Definition
Cell cycle, gene expression, DNA replication and repair and cell signalling |
|
|
Term
What percentage of human diseases have ortholouges in yeast? |
|
Definition
|
|
Term
What three things is the S. pombe yeast studied for? |
|
Definition
Cell cycle, chromosome dynamics and epigenetics |
|
|
Term
What are the two other fungal models? |
|
Definition
Neurospora crassa and Asperqillus nidulans |
|
|
Term
What is the N. crassa fungus studied for? |
|
Definition
|
|
Term
What is the plant model organism? |
|
Definition
|
|
Term
What three things is the A.thaliana studied for? |
|
Definition
Flowering, light sensitivity and plant development |
|
|
Term
What are the two other plant model organisms? |
|
Definition
Zea mays and Oryza sativa |
|
|
Term
What is the Z. mays studied for? |
|
Definition
|
|
Term
What is the O. sativa studied for? |
|
Definition
|
|
Term
What are the two insect model organisms? |
|
Definition
Drosophila and Caenorhabditis elegans |
|
|
Term
What is special about the Drosophilas genetics? |
|
Definition
It has a giant polytene chromosome |
|
|
Term
What three things is the Drosophila studied for? |
|
Definition
Cell signalling, Development and Neurological diseases |
|
|
Term
|
Definition
A mutant model organism that mimics phenotypic features of human disease |
|
|
Term
What is the Drosophila a disease model for? |
|
Definition
Spinal Muscular Atrophy (SMA) |
|
|
Term
What percentage of the C. elegans genome has human orthologues? |
|
Definition
|
|
Term
What is the C. elegans studied for? |
|
Definition
|
|
Term
What is the fish model organism? |
|
Definition
|
|
Term
What four things is the D. rerio studied for? |
|
Definition
Vertebrate development, neurobiology, drug testing, human disease |
|
|
Term
What is the mammal model organism? |
|
Definition
|
|
Term
What is the M. musuculus studied for? |
|
Definition
|
|
Term
What are the two other vertebrate models? |
|
Definition
Xenopus laevis and Rattus novegicus |
|
|
Term
What two things is the X. laevis studied for? |
|
Definition
Cell cycle and cell signalling |
|
|
Term
What is the R. novegicus studied for? |
|
Definition
Neurological and toxicity studies |
|
|