How is the liver fluke transmitted to humans?
A. drinking contaminated water
B. eating contaminated fish
C. by mosquitoes
D. eating contaminated pork
Answer: B
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A drug produced using recombinant DNA technology that is used illegally by athletes is
A) insulin. B) streptokinase. C) tissue plasminogen activator. D) erythropoietin.
In lactate fermentation, _____ is converted into
lactate.
a. pyruvate. b. acetaldehyde. c. ethanol. d. glucose. e. NADH.
An important tool of genetic engineering is ________ DNA, which is DNA altered by the incorporation of genes from a different organism
Fill in the blank(s) with correct word
Which of the following statements about lichens is incorrect?
A. Lichens are symbiotic relationships between fungi and plants. B. The partnership in a lichen is not species specific. C. Lichens can reproduce sexually and asexually. D. Lichens can extract nutrients from rocks or rainfall. E. Lichens are very sensitive to air pollution.