chelation - Florida - Buzzpoints App

Question

A form of therapy for this process can be used to sequester and remove heavy ions from the body. For 10 points each:

[10m] Name this process in which a ligand “bites” onto more than one location on a metal atom. Agents for this process include EDTA.

ANSWER: chelation [or word forms like chelate; prompt on coordination or bonding]

[10e] Chelation therapy can be used when patients are exposed to this heavy metal that interacts with enzymatic sulfur groups. A tetraethyl derivative of this element was added to gasoline to prevent engine knocking.

ANSWER: lead [accept leaded gasoline; accept Pb]

[10h] Protein purification may exploit the chelation activity of this side chain with nickel affinity columns. Metalloproteins may use a brace named for an amino acid containing this organic molecule.

ANSWER: imidazole [prompt on histidine by asking “what moiety makes up the side chain?”]

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Summary


Northern California	Main	Y	5	22.00	100%	100%	20%
Southern California	Main	Y	1	20.00	100%	100%	0%
Eastern Canada	Main	Y	12	20.83	100%	83%	25%
Florida	Main	Y	6	8.33	83%	0%	0%
Great Lakes	Main	Y	7	20.00	100%	86%	14%
Lower Mid-Atlantic	Main	Y	8	16.25	88%	75%	0%
Upper Mid-Atlantic (1)	Main	Y	11	18.18	100%	64%	18%
Upper Mid-Atlantic (2)	Main	Y	5	14.00	100%	40%	0%
Lower Midwest	Main	Y	4	15.00	100%	50%	0%
North	Main	Y	5	14.00	100%	40%	0%
Northeast	Main	Y	12	19.17	100%	75%	17%
Northwest	Main	Y	4	17.50	100%	75%	0%
South Central	Main	Y	8	17.50	75%	75%	25%
Southeast	Main	Y	8	22.50	100%	88%	38%
UK	Main	Y	13	16.92	100%	62%	8%
Upstate NY	Main	Y	4	12.50	75%	50%	0%

Data


USF	FSU	10	10
Melbourne B	Melbourne A	0	0
FIU	UCF B	10	10
UF A	UF B	10	10
UF D	ERAU A	10	10
UF E	UCF A	10	10