Which of the following was used during the research of the Calvin cycle?

The credit for identifying the $C_3$ cycle goes to:

What does the stroma of the chloroplast in higher plants contain?

How much energy in terms of $ATP$ equivalents is consumed in the photosynthetic production of a mole of hexose?

The entire process of photosynthesis consists of a number of reactions. Where in the cell do each of these take place? Synthesis of starch takes place in:

In the Calvin cycle of $C_3$ plants,which molecule acts as the primary $CO_2$ acceptor?