The pigment ____ is commonly found in bacteria but not land plants.
A) chlorophyll a
B) chlorophyll b
C) xanthophyll
D) phycocyanin
E) carotene.
Correct Answer:
Verified
Q20: Viruses can control host population
A) by reducing
Q21: Nitrogen fixation is carried out by:
A) nitrifying
Q22: A spherical shaped bacteria is called:
A) coccus.
B)
Q23: An important role of bacteria is:
A) primary
Q24: A structure formed from the combination of
Q26: Nutrient recycling in the marine environment is
Q27: Anaerobic organisms live in _ areas.
A) nitrogen-free.
B)
Q28: Facultative anaerobic bacteria
A) do not tolerate oxygen.
B)
Q29: Heterotrophic bacteria are able to break down
Q30: Chemosynthetic bacteria are unique:
A) in not requiring
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