If an African violet has chlorosis, which of the following elements might be a useful addition to the soil?

A) molybdenum
B) copper
C) iodine
D) magnesium


D

Biology & Microbiology

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Nearly all ecosystems receive a constant input of energy from ____

a. bacteria b. biomass c. nutrients d. plants e. the sun

Biology & Microbiology

Most biomass in trees is found in leaves, which do undergo photosynthesis

Indicate whether the statement is true or false.

Biology & Microbiology

Organisms carrying genes from another species are called

a. transformed. b. transgenic. c. cancerous. d. hybrids. e. vectors.

Biology & Microbiology

Which of the following is not a monosaccharide?

a. glucose b. fructose c. deoxyribose d. starch e. ribose

Biology & Microbiology