ribulose-5-phosphate - 2024 ARGOS

Question

The regeneration phase of the Calvin Cycle, where five 3-carbon sugars become three 5-carbon sugars, shares many intermediates with more familiar biochemical pathways. For 10 points each:

[10h] The end product of the regeneration phase is this 5-carbon sugar, which is then phosphorylated to restart the Calvin Cycle. This is also the end product of the oxidative phase of the pentose phosphate pathway.

ANSWER: ribulose-5-phosphate [or Ru5P or RuP]

[10e] The regeneration phase shares intermediates like glucose-6-phosphate and fructose-6-phosphate with both the pentose phosphate pathway and this other pathway, the first phase of cellular respiration.

ANSWER: glycolysis [accept Embden–Meyerhof–Parnas pathway or EMP]

[10m] The regeneration phase begins with this 3-carbon sugar’s conversion to DHAP, which is then combined with another copy of this sugar by aldolase to form fructose 1,6-bisphosphate. Those reactions are both the reverse reactions of reactions producing this first 3-carbon sugar intermediate in glycolysis.

ANSWER: G3P [or glyceraldehyde 3-phosphate; accept 3-phosphoglyceraldehyde; accept PGAL, GA3P, GADP, GAP, or GALP; prompt on triose phosphate or TP]

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Summary


2024 ARGOS @ Brandeis	03/22/2025	Y	3	10.00	67%	33%	0%
2024 ARGOS @ Chicago	11/23/2024	Y	6	13.33	83%	50%	0%
2024 ARGOS @ Christ's College	12/14/2024	Y	3	3.33	33%	0%	0%
2024 ARGOS @ Columbia	11/23/2024	Y	3	3.33	33%	0%	0%
2024 ARGOS @ McMaster	11/17/2024	Y	5	14.00	100%	40%	0%
2024 ARGOS @ Stanford	02/22/2025	Y	3	13.33	67%	67%	0%
2024 ARGOS Online	03/22/2025	Y	3	10.00	67%	33%	0%

Data


Walston et. al.	12 Litres of Green Tea	10	0	10
Cope is the thing with feathers	NJ TRANSit (and anwen i guess)	0	0	0
jeff mcneil #1 morningside heights fan club	just one more half-dot bro	0	0	0
\|madam\|	Import Pandas	10	10	20
Banned from ARGOS	Pahkin' the Ahgo	10	0	10
"Powers a question on Stancyzk" that's a clown question bro	Hu up Jinning they Tao	0	0	0
She Dicer On My Argonaute Till I RNA Interfere	Ryan Wesley Routh's 10 000 NATO-trained Afghan Quizbowlers	10	10	20
Tensei Shitara Flashcard Data Ken	Communism is Soviet power plus the yassification of the whole country	10	10	20
The Only Existing Manuscript from A Clockwork Orange	Simpson Agonistes: The Crisis of Donut	10	0	10
You cannot go to Aarhus to see his peat-brown head / With eyes like ripening fruit	I'd prefer to have the team name be Christensen et al. than anything that Erik cooks up	10	0	10
as rational as the square root of two power bottoms	Moderator Can't Neg me While in Alpha	10	0	10
Berkeley	Cry of the Common Loon	10	10	20
Where are the ACF Nationals recordings?	Stanford+	10	0	10
A is for Amy Robsart who fell down the stairs	number of tang poems = 75 times number of lines in a shi = 100 times number of lines in a haiku	0	10	10
I wish it were possible to freeze time so I would never have to watch you retire	Aw we're so sorry to hear that maman died today, she gets five big booms	10	10	20
UBC	CLEVELAND, THIS IS FOR YOU!	10	0	10
Thompson et al.	throw away your cards, rally in the streets	0	0	0
WashU	BHSU Rebirth	10	10	20
Northeast by Northwestern	Clown Squad	10	10	20
Who is the Colleen Hoover of the Zulus?	Music to Help You Stop Smoking	10	0	10
hawk two of	Notre Dame	10	10	20
Clown Senpais	That Feeling When Knee Surgery Is in Five Days	0	0	0
The Love Song of J Alfred PrufRock and Roll All Nite (and Party Every Day)	BHSU ReFantazio	10	0	10
Grzegorz Brzęczyszczykiewicz	Cambridge	10	0	10
Limp Franceskit	Cien Años de Quizboledad	0	0	0
Defying Suavity	Simple Vibes	0	0	0