pheromones - Southern California

Question

Acrasins are a class of these compounds that trigger an aggregation response to form a single-cell plasmodium. For 10 points each:

[10m] Name these compounds. When attacked by predators, insects may release one of these chemical signals to alarm others to the threat.

ANSWER: pheromones [accept aggregation pheromones; accept alarm pheromones; reject “hormones”]

[10h] Acrasins are pheromones used by the “cellular” type of these amoeboid (“uh-MEE-boid”) organisms. When placed in a maze with a food source, these organisms find the shortest path by using their network of pseudopods.

ANSWER: slime molds [accept cellular slime molds or dictyostelids or Dictyostelia or Dictyosteliomycetes; accept P. polycephalum or Physarum polycephalum; reject “molds” or “water molds”]

[10e] Despite their name, slime molds do [emphasize] not belong to this taxonomical kingdom under which most other molds are classified. This kingdom also contains yeasts and mushrooms.

ANSWER: Fungi [or funguses]

<Editors, Biology>

Back to bonuses

Summary


Northern California	Main	Y	4	20.00	100%	100%	0%
Southern California	Main	Y	7	24.29	100%	100%	43%
Eastern Canada (1)	Main	Y	5	22.00	100%	100%	20%
Eastern Canada (2)	Main	Y	9	22.22	100%	89%	33%
Florida	Main	Y	4	17.50	100%	75%	0%
Great Lakes	Main	Y	11	23.64	100%	100%	36%
Lower Mid-Atlantic	Main	Y	9	17.78	100%	56%	22%
Upper Mid-Atlantic	Main	Y	12	21.67	100%	92%	25%
Midwest	Main	Y	9	25.56	100%	100%	56%
North	Main	Y	4	22.50	100%	100%	25%
Northeast	Main	Y	12	21.67	100%	92%	25%
Pacific	Main	Y	8	20.00	100%	75%	25%
South Central	Main	Y	7	22.86	100%	86%	43%
Southeast	Main	Y	13	23.08	100%	92%	39%
UK (North)	UK	Y	5	22.00	100%	100%	20%
UK (South)	UK	Y	8	25.00	100%	88%	63%
Upstate NY	Main	Y	5	26.00	100%	100%	60%

Data


UCLA B	Claremont A	10	10	10	30
UC Irvine	UCLA E	10	0	10	20
UCSD A	UCLA A	10	10	10	30
UCLA F	UC Santa Barbara	10	0	10	20
UCLA D	UCSD B	10	10	10	30
Claremont B	USC A	10	0	10	20
USC B	Claremont C	10	0	10	20