Question

which conclusion is best supported by the presence of ribosomes in prokaryotes and eukaryotes?
a ribosomes have different functions in prokaryotes and eukaryotes.
b both prokaryotes and eukaryotes store energy to power life functions.
c ribosomes developed independently inside prokaryotes and eukaryotes.
d both prokaryotes and eukaryotes make proteins to perform life functions.

Explanation:

Ribosomes are the site of protein synthesis in both prokaryotes and eukaryotes. Option A is incorrect as ribosomes have the same function (protein synthesis) in both. Option B is about energy storage (not related to ribosomes). Option C is not supported as it's more likely they have an evolutionary connection rather than independent development. Option D is correct as protein - making (by ribosomes) is crucial for life functions in both.

Answer:

D. Both prokaryotes and eukaryotes make proteins to perform life functions.