This basic food group provides minerals, water, vitamins, carbohydrates, and protein for your diet. About 75% of all the calcium in the United States food supply comes from this group.
A. meat and beans
B. dairy products
C. vegetables
D. fruits
B. dairy products
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Infection with Streptococcus pyogenes (bacterium that causes strep throat) may generate antibodies or T cells that react with heart muscle, which has a similar structure to the surface of S. pyogenes. These antibodies can damage heart muscle with autoimmune attacks, leading to rheumatic fever. This is an example of which of the following?
a. immunodeficiency b. delayed hypersensitivity c. autoimmune molecular mimicry d. immediate hypersensitivity
Assume that an organism has a haploid chromosome number of 7. There would be 14 chromosomes in a monoploid individual of that species
Indicate whether the statement is true or false
Flower parts are borne on the tip of a stalk referred to as the:a
calyx. b. corolla. c. filament. d. receptacle. e. stigma.
Which of the following diseases is NOT correctly matched to its vaccine?
A) tuberculosis — toxoid B) whooping cough — heat-killed bacteria C) diphtheria — toxoid D) influenza — viruses grown in embryonated eggs E) pneumococcal pneumonia — capsular polysaccharides