Naturally acquired passive immunity can result from the _____
A) injection of vaccine
B) ingestion of interferon
C) placental transfer of antibodies
D) absorption of pathogens through mucous membranes
C
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The living portion of the pathway through which water travels through a root is called the apoplastic pathway
a. True b. False
Which of the following lists best describes the features used to classify an organism as a member of domain Bacteria?
A. Unicellular, contains a nuclear envelope and membrane-bound organelles, contains ribosomes but lacks introns B. Multicellular, lacks a nuclear envelope and membrane-bound organelles, contains introns but lacks ribosomes C. Unicellular, lacks a nuclear envelope and membrane-bound organelles, contains introns but lacks ribosomes D. Unicellular, lacking a nuclear envelope and membrane-bound organelles, contains ribosomes but lacks introns
The first hominid to spread beyond Africa was ________
A) "Lucy" B) Australopithecus afarensis C) Homo erectus D) Homo neanderthalensis
The cell _____ can be composed of three layers: the membrane, the cell wall, and the outer membrane.
A. glycocalyx B. envelope C. pathogenic package D. slime coat E. None of the choices is correct.