Relative to closed circulatory systems, Open Circulatory Systems pump hemolymph at relatively high pressure.
Answer the following statement true (T) or false (F)
False
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You are a doctor who examines a swollen and warm puncture wound on the hand of a patient. Next door, a vet examines the same puncture wound on the foot of a dog. Are you and the vet seeing the same immune responses?
A. Yes, because dogs have innate immune systems but not adaptive immune systems. B. Yes, because dogs have adaptive immune systems but not innate immune systems. C. No, because the immune response is unique to humans. D. Yes, because vertebrates have both adaptive immune systems and innate immune systems. E. No, because the foot of a dog is a completely different structure than the hand of a patient.
In the flower diagram shown above, the item labeled "7" is the
a. filament. b. stigma. c. ovule. d. style. e. anther.
Which of the following is a sign that scientific information on a website may be unreliable?
A) The site avoids anecdotal evidence. B) The site backs up its claims with references to primary sources. C) A reputable medical establishment maintains the site. D) The site is set up to allow you to buy the product being described.
Which of the following statements about transformation is false?
A. All R-plasmids contain antibiotic-resistance genes. B. Like transduction and conjugation, natural transformation is an "accident" of plasmid biology. C. Natural transformation of the Enterobacteriaceae is a significant public health risk. D. Artificial transformation is essential to many recombinant DNA techniques. E. The bacterium E. coli is incapable of natural transformation.