Which Molecule Is the CO₂ Acceptor in the First Step

question 15

Multiple Choice

Which molecule is the CO₂ acceptor in the first step of the Calvin cycle?

• A)Rubisco.
• B)Ribulose 1,5-bisphosphate.
• C)3-phosphoglycerate.
• D)Glyceraldehyde-3-phosphate.

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Definitions:

Dead-End

A situation, place, or method that offers no possibility of further progress.

Atlatl

The atlatl is an ancient weapon used for throwing spears or darts, consisting of a shaft with a cup or spur at the end that propelled the spear with greater force.

Burin

A burin is a tool used for engraving or incising hard materials such as stone or metal, typically used in printmaking, jewelry design, and archaeology.

Denisovans

An extinct species or subspecies of archaic humans in the genus Homo, known from DNA evidence and a few fossils found in Siberia.