Question

1. in which organelle would you find thylakoids?

a. chloroplast
b. mitochondria
c. nucleus
d. er

Explanation:

Thylakoids are membrane - bound structures that are a key part of the chloroplast's internal structure, where photosynthesis occurs. Mitochondria are for cellular respiration, the nucleus contains genetic material, and the ER (endoplasmic reticulum) is involved in protein and lipid synthesis, none of which have thylakoids.

Answer:

a. chloroplast