What are the four mechanisms that may account for fiber's role in fighting colorectal cancer?
What will be an ideal response?
1 ) Fiber increases the bulk of stool, which can dilute cancer-promoting agents in the colon. 2 ) Fiber helps move stool through the digestive tract, limiting the time cancer-promoting substances are in contact with the intestinal lining. 3 ) Fiber promotes the growth of friendly bacteria and their fermentation by-products, which may fight cancer. 4 ) Fiber binds with bile acids and reduces their concentration in the colon, which may deter the development of colorectal cancer.
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The correct sequence of events in the scientific method is:
a. conduct the experiment, develop a hypothesis, form a theory, and make an observation b. develop a hypothesis, conduct the experiment, make an observation, and form a theory c. form a theory, conduct the experiment, develop a hypothesis, and make an observation d. make an observation, develop a hypothesis, conduct the experiment, and form a theory
Which one is NOT a role of hydrochloric acid in the stomach??
A) ?activates the enzyme pepsin B) ?destroys bacteria in food C) ?destroys antibodies D) ?aids in the solubility of iron and calcium
Define the communities in which Mary will be providing nutrition interventions
The typical American diet does not include foods rich in the essential fatty acids; therefore, a supplement is needed
Indicate whether the statement is true or false