Which of the following substances stimulates the phagocytic activity of phagocytes?
A) gamma interferons
B) alpha interferons
C) beta interferons
D) antiviral proteins
E) leukotrienes
A
Biology & Microbiology
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One way to study the human genome is to
A) determine the twisting patterns of the two sides of the double helix. B) determine the sequence of sugars and phosphates. C) determine the DNA sequence. D) conduct a phenotype-wide association study.
Biology & Microbiology
In marine environments, salinity averages about ____%
a. 1 b. 3 c. 8 d. 12 e. 25
Biology & Microbiology
Parasitoids are ____ that are parasitic on insects
a. bacteria b. insects c. fungi d. protists e. viruses
Biology & Microbiology
In plants, which stage is haploid?
A) polar body B) germ cell C) gametophyte D) sporophyte E) spermatozoa
Biology & Microbiology