Which organisms can partner with fungi to form lichens?
a. all proteobacteria
b. cyanobacteria
c. archaea
d. Gram-positive bacteria
e. spirochetes
b
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While they are simple relative to cells, viruses often have a very diverse collection of components. Which one of the following choices is LEAST likely to be found as part of a virus?
A. proteins with functional binding sites B. membrane components C. single-stranded DNA D. ribosomes E. glycoproteins Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about virus structure? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
The combined function of the malleus, incus, and stapes is to ____
a. convert the mechanical vibration of the tympanic membrane into a pressure wave in the cochlear duct b. amplify the vibrations of the ear drum c. equalize the pressure on both sides of the tympanic membrane d. convert the oval window's vibrations into vibrations of the tympanic membrane e. dampen the vibrations of the tympanic membrane
It is believed that cetaceans evolved from:
a. a terrestrial mammal. b. a pinniped. c. fishes. d. polychaetes. e. dinosaurs.
Cats excrete nitrogenous waste as ______ and birds excrete nitrogenous waste as _______
a. ammonia; uric acid b. ammonia; urea c. urea; ammonia d. urea; uric acid e. uric acid; urea