WikiCards · Card list · Nature cards · Citric acid cycle
Rare card · Nature
Citric acid cycle, a Rare card
The citric acid cycle, also known as the Krebs cycle, Szent–Györgyi–Krebs cycle, or TCA cycle, is a series of biochemical reactions that release the energy stored in nutrients through acetyl-CoA oxidation.
- Rarity
- Rare
- Domain
- Nature
- ATK
- 78
- DEF
- 75
- Power
- 153
- Wikipedia reads a year
- 360,000
Ranked #1,874 of the 3,000 cards of the base set by power (ATK + DEF).
Citric acid cycle quiz: 3 questions
Three questions on the Citric acid cycle card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
The ______ released is available in the form of ATP.
Answer
energy. The energy released is available in the form of ATP. From the Citric acid cycle article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
Algiers. Algiers 87 · Citric acid cycle 78 · Stingray 74 · 2023 Clarksville tornado 71 ATK in WikiCards.
Which of these Wikipedia articles is read the most in a year?
Answer
Mont Blanc. Mont Blanc 540,000 · Citric acid cycle 360,000 · 2023 Clarksville tornado 3,300 · South Auckland volcanic field 1,500 Wikipedia reads over a year.
In a duel, each round asks a question like these about the opposing card, with 15 seconds to answer.
The facts on the card
The card carries these facts from its Wikipedia article.
- The energy released is available in the form of ATP.
- The Krebs cycle is used by organisms that generate energy via respiration, either anaerobically or aerobically.
- In addition, the cycle provides precursors of certain amino acids, as well as the reducing agent NADH, which are used in other reactions.
Why it is Rare
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Citric acid cycle article was read about 360,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 78 and blocks with 75: each hit it takes is cut by 30 %.
How to get Citric acid cycle
Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.
More Nature cards
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The cards just above and just below Citric acid cycle in the power ranking, all domains together.
- AlgiersRare · Society · ATK 87 DEF 66
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- PoloRare · Society · ATK 83 DEF 70
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Credits
Text : Wikipedia, Citric acid cycle (revision), CC BY-SA 4.0. Photo : Narayanese , WikiUserPedia , YassineMrabet , TotoBaggins, CC BY-SA 3.0, Wikimedia Commons.


