WikiCards · Card list · Nature cards · C4 carbon fixation
Uncommon card · Nature
C4 carbon fixation, an Uncommon card
C4 carbon fixation or the Hatch–Slack pathway is one of three known photosynthetic processes of carbon fixation in plants.
- Rarity
- Uncommon
- Domain
- Nature
- ATK
- 74
- DEF
- 75
- Power
- 149
- Wikipedia reads a year
- 54,000
Power 149 (ATK + DEF): stronger than 75 % of WikiCards cards.
C4 carbon fixation quiz: 3 questions
Three questions on the C4 carbon fixation card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
C4 fixation is an addition to the ______ and more common C3 carbon fixation.
Answer
ancestral. C4 fixation is an addition to the ancestral and more common C3 carbon fixation. From the C4 carbon fixation article on Wikipedia.
In which decade?
It owes the names to the ____s discovery by Marshall Davidson Hatch and Charles Roger Slack.
Answer
1960s. It owes the names to the 1960s discovery by Marshall Davidson Hatch and Charles Roger Slack. From the C4 carbon fixation article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
Catanduanes. Catanduanes 84 · C4 carbon fixation 74 · Spring 71 · Chalicotheriidae 63 ATK in WikiCards.
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.
- It owes the names to the 1960s discovery by Marshall Davidson Hatch and Charles Roger Slack.
- C4 fixation is an addition to the ancestral and more common C3 carbon fixation.
- The main carboxylating enzyme in C3 photosynthesis is called RuBisCO, which catalyses two distinct reactions using either CO2 or oxygen as a substrate.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The C4 carbon fixation article was read about 54,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 74 and blocks with 75: each hit it takes is cut by 30 %.
How to get C4 carbon fixation
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.
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Credits
Text : Wikipedia, C4 carbon fixation (revision), CC BY-SA 4.0. Photo : Adam Schwendt, CC BY-SA 4.0, Wikimedia Commons.


