Answer is Chloroplasts have their own DNA.
Chloroplasts and mitochondria are the two cell organelles which have their own DNA. This DNA is separate from the DNA which is found in the nucleus of the cell. The DNA of both chloroplast and mitochondria can replicates and both can undergoes division. The DNA of both organelles produce many proteins and enzymes required for their function.
Smoking causes changes to homeostasis throughout the body best explains the relationship of cause and effect which DeShawn best explains and is denoted as option B.
<h3>What is Homeostasis?</h3>
This is common in biological systems and is the process in which they maintain a stable internal environment through series of techniques such as excretion etc.
Smoking will disrupt the homeostasis in the body as a result of the presence of a high amount of carbon dioxide as against that of the non smoker which has a large concentration of oxygen.
This makes the body internal environment unstable and is therefore the reason why changes to homeostasis was chosen as the correct choice.
Read more about Homeostasis here brainly.com/question/1046675
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My Answer is Neap. btw i remember that question
E.coli is a bacteria cell.