Which of the Following Prenatal Nutritional Supplements Is Necessary to Prevent

question 15

Multiple Choice

Which of the following prenatal nutritional supplements is necessary to prevent neural tube disorders in newborns?

• A) Calcium
• B) Folic acid
• C) Iron
• D) Vitamin C

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Definitions:

Transcription

The process of copying a segment of DNA into RNA by the enzyme RNA polymerase.

DNA Polymerase

A catalyst that constructs DNA strands from deoxyribonucleotides, which are the foundational elements of DNA.

Translocation

The movement of organic materials (dissolved food) in the phloem of a plant. Chromosome abnormality in which part of one chromosome has become attached to another. Part of the elongation cycle of protein synthesis in which a transfer RNA attached to the growing polypeptide chain is transferred from the A site to the P site.

Ribosome

Cellular organelles that synthesize proteins by translating mRNA sequences.