Which statement is TRUE regarding the ecological role of plant degradation by fungi?
A) In brown rot the cellulose is attacked preferentially, and the lignin is left unmetabolized.
B) In brown rot the lignin is attacked preferentially, and the cellulose is left unmetabolized.
C) In white rot the cellulose is attacked preferentially, and the lignin is left unmetabolized.
D) In white rot the lignin is attacked preferentially, and the cellulose is left unmetabolized.
Answer: A
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Which of the following is FALSE when comparing the mitochondria and chloroplast?
A. Both have similar electron transport protein complexes whose structures have been well conserved. B. Both contain ATP synthase. C. Both generate ATP via a H+ electrochemical gradient. D. The inner-membrane space of the mitochondria is similar to that of the thylakoid space insofar as each has a higher H+ concentration relative to that of the mitochondrial matrix and chloroplast stroma. E. The stroma of chloroplasts is similar to that of the mitochondrial inner-membrane space insofar as each has a higher H+ concentration relative to that of the chloroplast thylakoid lumen and the mitochondrial matrix.
Rich sources of stored energy that are dissolvable in organic solvents are
a. carbohydrates. b. proteins. c. glucose. d. lipids.
The surface layer of soils is referred to as the
A) A horizon. B) B horizon. C) C horizon. D) O horizon.
Structure across a dividing plant cell that signals the location of new plasma membranes and cell walls.
What will be an ideal response?