SAT Subject Biology Practice Question 98: Answer and Explanation

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Question: 98

8. The steps of protein synthesis and modification take place in several different locations throughout the cell. What is the proper order of these locations, from start to finish?

I. Ribosome

II. Nucleus

III. Golgi apparatus

IV. Endoplasmic reticulum

A. I, II, III, IV
B. II, I, IV, III
C. III, II, IV, I
D. II, I, III, IV
E. IV, III, II, I

Correct Answer: B

Explanation:

DNA in the cell's nucleus is a template for mRNA, which carries the information to the ribosome for translation. The new translated protein is further modified at the ER and Golgi body, respectively.

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