What is the result of diploid megasporocyte meiosis?
a. four eggs and two female gametophytes.
b. eight diploid microspores
c. three small and one large haploid megaspores
d. three seeds and one haploid zygote.
c. three small and one large haploid megaspores
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All the body fluid located outside of cells is
(a) interstitial fluid. (b) plasma. (c) intracellular fluid. (d) extracellular fluid.
You are a doctor who examines a swollen and warm puncture wound on the hand of a patient. Does the patient's immune system response to this wound tell you that every aspect of his or her immune system is functioning normally?
A. Yes, because the response of swelling and warmth at a wound site shows a complete response by both the innate and adaptive immune systems of animals. B. No, because this response does not include the response of inflammation. C. No, because this response does not include the adaptive immune response. D. No, because this response does not include the complement response or adaptive immune response. E. All the answer options are incorrect.
Refer to the accompanying figure. Which statement is FALSE?
a. The of the air in the alveoli must be greater than 100 mm Hg. b. The in the tissues must be less than 100 mm Hg. c. The of the air in the alveoli must be less than 40 mm Hg. d. The in the tissues must be greater than 40 mm Hg. e. The in the tissues must be equal to the in the tissues.
What is the metabolic abnormality that underlies the characteristic symptoms of diabetes mellitus?
A) a failure of the kidney tubules to reabsorb enough glucose from the urine B) an inability of the body's cells to switch from glucose metabolism to fat metabolism between meals C) an inability of the body's cells to retain glucose they have absorbed from the blood D) an inability of the body's cells to absorb enough glucose from the blood