The size and capacity of muscle fibers cannot be increased by exercise and training.
Answer the following statement(s) true (T) or false (F)
Answer: False
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Which of the following events is not a characteristic of successful seed germination?
A. The radicle breaks through the seed coat. B. The shoot becomes photosynthetic. C. The embryo becomes desiccated. D. New growth occurs at the meristems. E. The seedling orients itself relative to gravity.
Earlobe attachment is an example of ____
a. pleiotropy b. polygenic traits c. codominance d. continuous variation e. multifactorial traits
Members of phylum Nemertea have a tube-with-a-tube body plan
____________________ Indicate whether the statement is true or false.
Suppose that a mutant organism is unable to make the amino acid arginine. Knowing that the metabolic pathway to production of arginine is ornithine ? citrulline ? arginosuccinate ? arginine, you test the ability of the mutant to grow in the presence of each one of these compounds, providing just one of the compounds in each of your tests. Also suppose that you find that the mutant can grow in the presence of arginosuccinate or arginine, but NOT in the presence of citrulline or ornithine. From this information, which step in the metabolic pathway do you think is blocked?
a. citrulline to arginosuccinate b. arginosuccinate to arginine c. ornithine to citrulline d. ornithine to arginosuccinate