The structures marked with arrows in the photo below are ________ and are used to ________.
A) polyhydroxyalkanoates; sequester reactions using bicarbonate or carbon dioxide and Rubisco
B) polyhydroxyalkanoates; store carbon for energy
C) carboxysomes; store carbon for energy
D) carboxysomes; sequester reactions using bicarbonate or carbon dioxide and Rubisco
E) heterocysts; sequester reactions using bicarbonate or carbon dioxide and Rubisco

Question

The structures marked with arrows in the photo below are ________ and are used to ________. 
A) polyhydroxyalkanoates; sequester reactions using bicarbonate or carbon dioxide and Rubisco 
B) polyhydroxyalkanoates; store carbon for energy 
C) carboxysomes; store carbon for energy 
D) carboxysomes; sequester reactions using bicarbonate or carbon dioxide and Rubisco 
E) heterocysts; sequester reactions using bicarbonate or carbon dioxide and Rubisco

Quizplus · Accepted Answer

The structures marked with arrows in the photo are carboxysomes and are used to sequester reactions using bicarbonate or carbon dioxide and Rubisco. Polyhydroxyalkanoates (A and B) and heterocysts (E) are different structures with different functions.

The Structures Marked with Arrows in the Photo Below Are