What organ is affected by macular degeneration, a common condition for older people?
a. Bone
b. Eyes
c. Liver
d. Kidneys
e. Stomach
Answer: B
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Which of the following is true of the colon?
A) The density of the gastrointestinal microbiota is greatest in the colon. B) The inner lining of the colon is made of epithelial cells called enterocytes. C) It neutralizes the acidic chyme before it enters the duodenum. D) It releases gastrin that stimulates the production of gastric juice.
A substance that includes a phosphorus atom in its structure is called a
A. Phospholipid B. Sterol C. Triglyceride D. Fatty acid E. Lipid
Organic compounds contain the element carbon.?
Indicate whether the statement is true or false
Which of the following is not a function of proteins in the body?
a. Providing fuel for energy needs b. Facilitating chemical reactions c. Maintaining volume of body fluids d. Protecting the body against diseases e. Inhibiting the absorption of cholesterol