★ Cell Theory and Microbiology Quiz
Which of the following is a key component of all cells?
A. Cell wall
B. Chloroplasts
C. Plasma membrane
D. Central vacuole
Select your answer:
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Skeletal System Homeostatic Imbalances › ViewA __________is a stretching or tearing of ligaments often caused by rapid changes in direction or collision.
A. Contusion
B. Sprain
C. Strain
D. Fracture
The Teeth › View
This is a cross section of a human tooth. The ‘X’ is a _____
A. dentine
B. enamel
C. gum