Aggregation

Question 1

What is the sexuality of C elegans?

Answer 1

Hermaphrodite

Question 2

What is the sexuality of C elegans?

Answer 2

Hermaphrodite

Question 3

Hoe do social feeders behave?

Answer 3

Aggregate on the margins of the disk

Question 4

What are the characteristics of aggregation?

Answer 4

Clumping and bordering

Question 5

What is the mutant form of the behaviour?

Answer 5

Social

Question 6

What is npr-1?

Answer 6

Gene responsible for aggregation

Question 7

With what human peptide is npr-1 related?

Answer 7

Neuropeptide Y

Question 8

What changes in order to differenciate between solitary and social feeders naturally?

Answer 8

A change from valine to phenylalanine in npr-1?

Question 9

What is the mechanism underlying aggregation?

Answer 9

Creb transcriptional activation by GPCR

Question 10

What is CREB?

Answer 10

A transcription factor

Question 11

What is CRE?

Answer 11

An enhancer

Question 12

What will ablation of ASH and ADL do?

Answer 12

Transform social animals to solitary feeders

Question 13

What type of receptors are both ASH and ADL?

Answer 13

Nociceptors

Question 14

Where does pain come from?

Answer 14

E. coli consume the worms

Question 15

Where is the polymorphism located?

Answer 15

On the inner side of the membrane

Question 16

What type of synapse is it between ash and RMG?

Answer 16

Gap junction

Question 17

What type of synapse is it between ASH and AVA?

Answer 17

Chemical synapse

Question 18

How is RMG controlled?

Answer 18

If NPr-1 is activated it inhibits RMG and it doesn’t receive signals from ASH and ADL anymore