The two organisms that make up lichens are ________
a. zygomycetes and cyanobacteria
b. fungi and plants
c. sac fungus and green algae
d. chytrids and green algae
e. green algae and cyanobacteria
c
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Which of the following is not a category of symbiosis?
A. Parasitism B. Commensalism C. Communalism D. Mutualism
Water comprises at least ____ of the body of salps
a. 5% b. 10% c. 25% d. 70% e. 95%
To which amino acid is nitric oxide added, altering the activity, turnover and/or interactions of proteins like hemoglobin, Ras, ryanodine channels and caspases?
a) methionine b) cysteine c) asparagine d) phenylalanine e) alanine
When can we say that atom has no vacancy, or the atom is full?
A. An atom's outer shell is filled with electrons B. An atom's inner shell is filled with electrons C. An atom's outer shell is filled with neutrons D. An atom's outer shell is filled with protons E. An atom's inner shell is filled with protons