NURSING EXAM QUESTIONS
MICROBIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the main difference between bacteria and cyanobacteria?
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Bacteria are mainly heterotrophs while the cyanobacteria are autotrophs.
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Bacteria do not contain chlorophyll while cyanbacteria does.
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Both A and B.
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None of the above.
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Explanation:
Detailed explanation-1: -Cyanobacteria (blue-green algae) have chlorophyll and do photosynthesis. As they make their own food thus, they are autotrophs. For photosynthesis, cyanobacteria have only chlorophyll a.
Detailed explanation-2: -The blue-green algae which is photosynthetic, contains phycocyanin, phycoerythrin and chlorophyll a, and lives in aquatic environment, this is referred to as Cyanobacteria. A true bacteria which has no nucleus, no organelles, contain cell wall, photosynthetic and live in or on organisms, this is referred as Eubacteria.
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