A variation in a single nucleotide of a DNA strand is called a(n) ____
a. RNA switch
b. thymine substitution
c. environmental mutation
d. single nucleotide polymorphism
e. replication failure
ANS: D
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Of the 10 leading causes of death in the United States, how many have some relationship with diet?
a. Two b. Four c. Five d. Six e. Eight
Which symptoms are the indicators of ulcerative colitis?
A. nausea and vomiting, and headache B. epigastric pain and abdominal fullness C. nausea, bloating, and steatorrhea D. abdominal pain, bloody diarrhea, and tenesmus E. nausea, constipation, and flatulence
Explain ways in which nutrition counselors can assess their own effectiveness