Which of the following statements best describes ribosomes?
A) Ribosomes guide protein synthesis.
B) Ribosomes are found only in the nucleus or on the RER.
C) There are no ribosomes in the mitochondria.
D) Ribosomes are the site of photosynthesis.
E) All of the above

Question

Quizplus · Accepted Answer

Ribosomes are the organelles responsible for synthesizing proteins by translating mRNA into chains of amino acids. Therefore, statement A best describes ribosomes. Statement B is incorrect because ribosomes are also found free in the cytoplasm. Statement C is incorrect because ribosomes are present in mitochondria. Statement D is incorrect because ribosomes are not involved in photosynthesis; that function is carried out by chloroplasts.

Which of the Following Statements Best Describes Ribosomes