Which blood type is the universal donor?
a. A only
b. B only
c. AB
d. O
e. Both AB and O
ANSWER: d
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A. fixed by vascular and nonvascular plants during photosynthesis about 300 mya. B. fixed in the tissues, decayed from dinosaurs after the Cretaceous mass extinction. C. released from volcanoes, and accumulated over centuries. D. trapped in rocks and compressed into oil and coal, during the Precambrian. E. trapped in the ocean and secreted into large coral reef structures, during the Mesozoic.
In producing a genomic library, human DNA and plasmid DNA must first be treated with:a
the same restriction enzyme. b. different restriction enzymes. c. the same DNA ligase. d. different DNA ligases. e. cosmid cloning vectors
Suppose a young boy is always tired and fatigued, suffering from a metabolic disease. Which of the following organelles is most likely involved in this disease?
A) lysosomes B) Golgi apparatus C) ribosomes D) mitochondria
A diabetic patient who failed to take his or her insulin and presents with peaked T waves on the cardiac monitor and muscle weakness is MOST likely:
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