Which nutrient cycle lacks an atmospheric reservoir?
A) Nitrogen B) Phosphorus C) Carbon D) Oxygen E) Water
B
Biology & Microbiology
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Deficiencies of ____may result in muscular weakness
a. iron and copper b. iron and manganese c. iodine and iron d. phosphorus and calcium e. phosphorus and potassium
Biology & Microbiology
Organisms capable of producing their own food are known as
a. autotrophs. b. heterotrophs. c. omnivores. d. Herbivores.
Biology & Microbiology
Although glycolysis requires an input of ATP, this pathway results in a net gain of two ATP; therefore it is a(n) ________ pathway
A) exergonic B) endergonic C) oxidative D) reductive E) neither exergonic nor endergonic
Biology & Microbiology
Ecosystems are characterized by the cycling of ____________ and by the flow of ____________ .
Fill in the blank(s) with the appropriate word(s)
Biology & Microbiology