Question

Short /Long answer type question.
Name the two major components of chloroplasts and associate each portion with the two sets of reactions that occur during photosynthesis. How are the two pathways related ?

Answer 1

Thylakoids consist of a thylakoid membrane surrounding a thylakoid lumen. Chloroplast thylakoids frequently form stacks of disks referred to as grana (singular: granum). Grana are connected by internal or stroma thylakoids, which join granum stacks together as a single functional compartment.

Light reactions need light to produce organic energy molecules (ATP and NADPH). They are initiated by colored pigments, mainly green colored chlorophylls or we can say in thylakoid.

Dark reactions make use of these organic energy molecules (ATP and NADPH). This reaction cycle is also called Calvin Benison Cycle, and it occurs in the stroma.