The Presence of Vitamin D Is Necessary for PTH to Exert

question 33

True/False

The presence of vitamin D is necessary for PTH to exert its effect on promoting intestinal Ca²⁺ absorption.

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Definitions:

Promoter

A specific region of DNA that initiates transcription of a particular gene, playing a crucial role in gene expression.

RNA Polymerases

Enzymes responsible for catalyzing the synthesis of RNA from DNA templates, playing a crucial role in gene expression.

Transcription

The process in which the DNA sequence of a gene is copied into RNA, leading to protein synthesis in living organisms.

tRNA Triplet

A sequence of three nucleotides in transfer RNA that is complementary to the codon in messenger RNA and specifies an amino acid.