When a cutting from a plant sprouts roots and yields a new, independent plant, what process has occurred?
A) self-fertilization
B) asexual reproduction
C) cytokinesis
D) sexual reproduction
E) recombination
Answer: B
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Enzymes are
A. not needed for catabolic reactions. B. proteins that function as catalysts. C. used up in chemical reactions. D. carbohydrate or protein in composition. E. broken down in reactions that require energy input.
George is experiencing problems with damaged cartilage in his knee and is eating cartilage from the bones of his steak so that his knee will more readily heal. Explain why he is not necessarily going to succeed in speeding up the repair of his knee
What will be an ideal response?
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Portion of Figure 22.11
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Refer to the above figure for questions.
In the illustration above showing the haploid phase in the life cycle of a fern, what part represents the male gametangium?
A. 1 B. 2 C. 3 D. 4 E. 5
If the mitochondrion is the result of endosymbiosis, what membrane of the mitochondrion represents the engulfing vesicle?
A. matrix B. cristae C. the outer mitochondrial membrane D. grana E. vacuole