With the endosymbiotic hypothesis in mind, which of the following within modern-day chloroplasts is likely derived from the cytoplasm of ancestral cyanobacteria that took up residence within a eukaryotic cell?
A)stroma
B)grana
C)thylakoid lumen
D)thylakoid membrane
E)inner chloroplast membrane

Question

Quizplus · Accepted Answer

The stroma is the fluid-filled space within chloroplasts that is analogous to the cytoplasm of ancestral cyanobacteria, which is consistent with the endosymbiotic hypothesis.

With the Endosymbiotic Hypothesis in Mind, Which of the Following