The organisms that cause ringworm, or tinea, use keratin protein as their growth substrate. This is why these infections
A. have a high mortality rate.
B. cause a discoloration of the skin by damaging skin pigment protein.
C. produce a rash all over the body during an infection.
D. are restricted to superficial skin layers.
Answer: D
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Extremely halophilic Archaea often form ________ in order to access ________
A) stalks / nutrients B) intracellular inclusions / elemental sulfur C) gas vesicles / oxygen D) intracellular membranes / sunlight
Endosperm is
A. sperm after it has entered the archegonium. B. nutritive tissue produced within antheridia. C. sperm cells enclosed within pollen grains. D. tissue stored in seeds that provides nutrition for embryos. E. sperm produced at the end of the flowering season.
Which of the following are pressure reservoirs with low resistance to flow?
a. arteries b. arterioles c. capillaries d. venules e. veins
A person with type O blood may receive a transfusion from a person with
a. type A blood. b. type B blood. c. type AB blood. d. type O blood. e. all types of blood.