What is the use of a conical flask in the laboratory?
A. Purify water using distillation process
B. Mix small vials of liquids in a quickly oscillating circular motion
C. Hold and measure chemical liquid samples
D. Grow and maintain microbiological or cell cultures
Select your answer:
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Pathogens, Disease and Immunity › ViewWhich of the following statements is TRUE about someone’s immune system that has allergies?
A. Body cells are dividing at an uncontrolled rate.
B. The body is reacting to foreign antigens that are not dangerous to most people.
C. T cells and B cells in the body cannot be activated.
D. The body is mistaking its own cells for foreign antigens.
Integumentary System › View
Using sunscreen and avoiding excessive sun exposure can help prevent the development of skin cancer.
A. TRUE
B. FALSE