Multiple Choice
When viewed through a microscope, one characteristic of living cells is that their internal structures move. Which two organelles are most directly responsible for this motion we see?
A) cell membrane and nucleus
B) ribosomes and endoplasmic reticulum
C) centrioles and cell wall
D) mitochondria and cytoskeleton
E) chloroplasts and lysosomes
Correct Answer:

Verified
Correct Answer:
Verified
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