In the space provided, write the letter of the term or phrase that best completes each statement or best answers each question.

8. Most functions of a eukaryotic cell are controlled by the cell's
a. cell wall.
b. ribosomes.
c. nucleus.
d. mitochondria.

9. Which of the following organelles is found only in plants?
a. ribosomes
b. nucleus
c. mitochondria
d. central vacuole

10. Smooth ER lacks
a. nuclei.
b. ribosomes.
c. chloroplasts.
d. lysosomes.



Answer :

Final answer:

The nucleus, central vacuole, and ribosomes are essential for the functions of eukaryotic cells.


Explanation:

C. nucleus

D. central vacuole

B. ribosomes

Nucleus is the control center of a eukaryotic cell, responsible for most functions. The central vacuole is a unique plant organelle that assists in storage and structure. Smooth ER lacking ribosomes highlights its specialized function in synthesizing lipids and detoxifying the cell.


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