Apparently healthy people who may transmit a pathogen they harbor are called
A. vectors.
B. fomites.
C. vehicles.
D. carriers.
D
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Which of the following is made from tree
bark? a. cinnamon. b. cocaine. c. syrup. d. hemp. e. saffron
Diagram a flower, labeling the parts and identify the function of each labeled part from the following list: a)
reproduction male, b) reproduction female, c) attracting a pollinator, d) point of attachment of flower parts, and e) protection for a bud. What will be an ideal response?
A particular species of protist has obtained a chloroplast via secondary endosymbiosis. You know this because the chloroplasts _____
A) have nuclear and cyanobacterial genes B) are exceptionally small C) have three or four membranes D) have only a single pigment
HIV strains may differ by 10% within one person and by 35% in people around the globe. This is due to
A. the fact that HIV targets T cells. B. the fact that HIV inserts its genome into the host genome. C. both cellular and antibody-mediated responses. D. HIV's high rate of mutation. E. the fact that most people do not die from HIV infection.