There are two major types of genes that are thought to influence the development of cancer: oncogenes and _______________ genes.
Fill in the blank(s) with the appropriate word(s).
tumor-suppressor
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The immune system plays a major role in the development of a food intolerance
Indicate whether the statement is true or false
Sports performance is primarily determined by genetic characteristics and state of training, but nutritional strategies may be used to enhance performance in certain sports.
Answer the following statement true (T) or false (F)
About 60 percent of US children are breastfeeding at one year of age.
a. true b. false
Which factor is not a limitation of a 24-hour dietary recall?
a. the previous day's intake may not be typical b. they are difficult to obtain c. the person may not be able to accurately report portion sizes d. they provide data for one day only e. variations in diet