Indicate which of the following are symbiotic relationships: (check all that apply)
_____ Microbes living inside pitcher plants
_____ Dodder living on green plant hosts
_____ Rhizobia living in legume roots
_____ Mycorrhizae
_____ Actinobacteria growing on shrubs or trees
__X__ Microbes living inside pitcher plants
_____ Dodder living on green plant hosts
__X__ Rhizobia living in legume roots
__X__ Mycorrhizae
__X__ Actinobacteria growing on shrubs or trees
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Lysozyme is an important antimicrobial substance found at high levels in which food?
A. Fruits B. Fish C. Eggs D. Vegetables
The method for DNA sequencing was developed by:
a. Jacob. b. Watson. c. Hershey. d. Avery. e. Sanger
If two nonsister species on the phylogenetic tree above differ from the other two in a single character state (say dark or light fur), how many character state changes (evolutionary events) are needed to explain this pattern?
a. one c. three b. two d. four
Why is the dialysate continually replaced in hemodialysis?
A. because it is lost by urination B. because it biodegrades rapidly C. because it is easily infected D. because it enters the body and is absorbed E. to maintain a favorable concentration gradient with the blood