An antibody is a type of protein that:
a. regulates pH balance in the body.
b. transports lipids throughout the body.
c. protects the body from viruses, bacteria, and other disease agents.
d. regulates fluid balance in the body.
c
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"Junk DNA" appears to play an important role in:
a. stimulating cognitive awareness b. regulating gene expression c. enhancing reproductive fitness d. modulating lifespan e. triggering psychic phenomena
Answer the following questions based on the case study "Timothy" information below. Timothy is a 20-year-old male college student who has a normal body weight but does not engage in regular physical activity. He ate the following in 1 day: sausage and egg McMuffin, Diet Coke, chocolate chip cookies, double cheeseburger, super-sized French fries, apple pie, more Diet Coke, sausage and pepperoni
pizza, and more Diet Coke. ?Diet analysis of Timothy's diet showed that his fatty acid profile was 22% saturated fatty acids (SFA), 9% monounsaturated fatty acids (MUFA), and 2% polyunsaturated fatty acids (PUFA). What's wrong with this profile? A) It indicates a possible deficiency of essential fatty acids. B) It indicates an unhealthy excess of SFAs and risk for heart disease. C) It indicates an unhealthy excess of MUFAs and risk for heart disease. D) A and B E) A, B, and C
Soft drinks too often replace milk in the diet of adolescents
Indicate whether the statement is true or false
The percentage of a 5-year-old child's daily kcalorie intake that is used for tissue growth is about:
a. 5%. b. 12%. c. 25%. d. 50%.