We know that from their mother's milk, infants gain proteins called antibodies that protect them from specific germs. We also know that proteins will eventually be broken down by a person's digestive system
How is it that these antibodies can get into the bloodstream of the breast-feeding infant intact? Use only the information from this chapter.
It appears that the child's digestive system engulfs the proteins by the process called pinocytosis before the chemicals can be broken down.
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Treatment of drinking water by UV irradiation is effective at ________, but it does NOT remove ________
A) killing bacteria and eukaryotic pathogens / odor- and taste- altering organic compounds B) killing viruses / bacteria and eukaryotic pathogens C) removing order- and taste- altering organic compounds / viruses D) killing bacteria / viruses and eukaryotic pathogens
The presence of a nonmutant gene on one chromosome often masks the effect of a mutant allele for that same gene on its homologous chromosome
A. true B. false
Which of the following is false about rocky shores?
a. Mangroves are common. b. Silt is removed by waves. c. They retain finer sediments. d. Surf functions to oxygenate the water. e. Sessile organisms are common.
Bordetella pertussis produces (adenylate cyclase/dermonecrotic/pertussis) toxin which disrupts blood supply to respiratory tissues
What will be an ideal response?