Topics: Biology Quiz
The most basic unit of a living organism is…
A. A box
B. A cell
C. A cellular component
D. A battery
Select your answer:

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Cells › Viewwhich one of the following is a function of the cell membrane?
A. control the activities of the cell
B. contain hereditary materials (e.g. DNA)
C. control substances moving in and out of the cell
D. trap sunlight
E. gives the cell a fixed shape
Body Systems › View
Which of these organs is NOT directly involved with the digestive system?
A. Lungs
B. Liver
C. Stomach
D. Small intestine