1. decarboxylase
2. nitrogenase
3. nitrogen deaminase
4. nitrodioxidase
nitrogenase
1. on the ribosomes of cyanobacteria
2. on the endoplasmic reticulum of green algae
3. spontaneously when ammonia is in water
4. on the dry surfaces of soil particles
spontaneously when ammonia is in water
1. Orchidaceae
2. Asteraceae
3. Solanaceae
4. Leguminosae
Leguminosae
1. Denitrovibrio
2. Rhizobium
3. Pseudomonas
4. Nitrobacter
Rhizobium
1. Corn
2. Alfa-alfa
3. Wheat grass
4. Beets
Alfa-alfa
1. green algae
2. cyanobacteria
3. brown algae
4. Protozoa
cyanobacteria
1. more
2. less
3. same
4. variable
less
1. K+ and Mg2+ > Na+ and Ca2+
2. K+ and Mg2+ < Na+ and Ca2+
3. K+ = Na+, Mg2+ = Ca2+
4. K+ > Na+ and Ca2+ = Mg2+
K+ and Mg2+ > Na+ and Ca2+
1. older leaves
2. older roots
3. younger roots
4. younger leaves
younger leaves
1. Sodium
2. Cobalt
3. Molybdenum
4. Zinc
Cobalt