Exam 1 Which plants do not have lignin-re Moodle University Services University

Question

Exam 1 Which plants do not have lignin-re Moodle University Services University Resources Useful Links 8M BIOL106_WWW BASIC BIOLOGY II-DIV ome / My courses /18M BIOL106 WWW/ Exam 1 Material / Exam 1 Question 8 Why are bacterial decomposers important? Select one: O a. Most cause disease. Not yet answered Marked out of 2.0 Remove flag b. They produce spores c. They fix nitrogen O d. Common in biotechnology e. They break down complex organic molecules in wastes and remains. Previous page Next 14 MacBook Air

Explanation / Answer

Option c is the correct answer. Decomposers are microorganisms which degrade the dead body of animal and plants and convert the nitrogen into ammonia which is a part of nitrogen cycle. nitrogen fixing bacteria convert atmospheric nitrogen into ammonia and other inorganic compounds. Since both nitrogen fixing bacteria and decomposers convert the nitrogen into inorganic form they both fix the nitrogen and also recycle back the nitrogen into atmosphere.

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