Phytochemicals are synthetic substances
Indicate whether the statement is true or false
FALSE
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Insulin can reduce blood glucose levels because it:
A) promotes the synthesis of glucose from noncarbohydrate sources. B) promotes the storage of glucose as glycogen in liver and skeletal muscle cells. C) stimulates the splitting of glucose into pyruvate molecules. D) stimulates the breakdown of energy-storing glycogen molecules in the liver into glucose.
An insufficient oxygen supply (ischemia) interferes with cellular:
A. apoptosis B. mitosis C. metabolism D. differentiation E. membrane integrity
Biological processes in the modern human body that helped ensure the survival of our hunter-gatherer ancestors include:
A) the ability to conserve sodium. B) a digestive tract suited for high-fiber foods. C) the ability to survive periods of famine. D) All of the above
Which of the following organisms is at the bottom of the food chain?
a. Large fish b. Small fish c. Underwater plants d. Humans