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Which two sentences describe evidence that chloroplasts began as prokaryotes?

A. The enzymes in a chloroplast's plasma membrane are different from those in prokaryotic cells.
B. A chloroplast has its own DNA that is different from that of the cell.
C. A chloroplast reproduces itself through binary fission.
D. A chloroplast has a single membrane, while most organelles have a double membrane.



Answer :

GinnyAnswer

Final answer:

Chloroplasts show evidence of originating as prokaryotes through their unique DNA, mode of reproduction, and resemblance to cyanobacteria.


Explanation:

The two sentences that describe evidence that chloroplasts began as prokaryotes are:

  1. A chloroplast has its own DNA that is different from that of the cell.
  2. A chloroplast reproduces itself through binary fission.

These characteristics, along with the presence of a double membrane and similarities in internal structure and biochemistry to cyanobacteria, support the endosymbiotic theory of chloroplast evolution.


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