Spina bifida is an example of a _____.
A. neural tube defect
B. DNA modification
C. gene variant
D. nutritional deficiency
E. metabolic programming mechanism
Answer: A
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In its active form, insulin consists of two _______________ chains linked by _______________ bridges between cysteine molecules.
Fill in the blank(s) with the appropriate word(s).
The development of _____ because of severe folate deficiency is rare among adolescents.
A. malnutrition B. megaloblastic anemia C. attention-deficit hyperactivity disorder D. type 1 diabetes E. osteoporosis
Sydney is drinking a protein shake that contains 10 grams of fat. The fat in the protein shake provides ________ kcal.
A. 180 B. 145 C. 90 D. 70
Explain why it is important for an amino acid chain to fold up correctly in order for the protein to function