If a material mixes readily with water it is identified as _________.
a. dehydrated
b. hydrophobic
c. hydrophilic
d. saturated
Ans: c. hydrophilic
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Which of the following statements is false regarding amphibolic pathways?
A. Glyceraldehyde-3-phosphate is used as a precursor for amino acid, lipid, and carbohydrate synthesis. B. Glucose is broken down in glycolysis; however, not all of the intermediates in the pathway are utilized as an energy source. Many leave the pathway to serve as precursors for complex molecules. C. Metabolic pathways are amphibolic, that is, catabolism and anabolism are intertwined in order to conserve energy in the cell. D. All organisms use metabolic pathways to synthesize the 20 amino acids necessary for protein synthesis using precursors from catabolic processes. E. Glucose is broken down during glycolysis to pyruvate; however, when glucose is in short supply, pyruvate is used as a precursor in the process of gluconeogenesis.
Microbial death rates may be affected by
A. pH. B. temperature. C. the presence of organics. D. All of the choices are correct.
The series of metabolic events that occurs within tomato plants in response to wounding is
A. a systemic response. B. a waterfall effect. C. the hypersensitive response. D. a pathogen-specific response. E. resistance to coevolution.
There are three aspects of entire populations that are important and often studied. Select the best choice from the ones listed.
A. a population's range, the amount of food available within the range, and the size that the population attains B. a population's range, the dispersal of individuals within the range, and the size that the population attains C. a population's range, the parental care received by each offspring within the population, and the size that the population attains D. a population's range, the size home range of an individual in the population, and the parental care expended for each offspring