What term describes the time it requires for exactly one-half of a given amount of a radioactive isotope of an element to decay?
A. decay time.
B. decay product.
C. half-life.
D. half-decay.
E. useful dating range.
C. half-life.
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What is the target of anthrax protective antigen (PA), edema factor, and lethal factor?
A. Endothelial cells lining the capillaries B. Cells lining the alveoli in the lungs C. Macrophages D. Neurons
If a person with type B blood marries a person with type A blood, what phenotypes can their children be?
A. types A, B, O, and AB B. all type A C. all type B D. types A and O E. types B and O
The cutaneous membrane is also known as
a. the stomach lining. b. the skin. c. the brain. d. the heart lining. e. the lung lining.
produces sodium bicarbonate to neutralize stomach acid, produce enzymes to break down all types of food
What will be an ideal response?