Calcium Intake Seems to Increase and Maintain Bone Mass

question 55

Multiple Choice

Calcium intake seems to increase and maintain bone mass. What is the recommended daily intake for men and women ages 51 years and older?

• A) 1,200 mg
• B) 1,800 mg
• C) 1,600 mg

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Definitions:

Pyrimidines

A type of organic compound, characterized by a single six-membered ring, that includes cytosine, thymine, and uracil, essential components of nucleic acids.

Telomerase

A special DNA replication enzyme that can lengthen telomeric DNA by adding repetitive nucleotide sequences to the ends of eukaryotic chromosomes; typically present in cells that divide an unlimited number of times.

Cancerous Cells

Cancerous cells are abnormal cells that divide uncontrollably and have the potential to invade and spread to other parts of the body, forming tumors.

Telomere Length

The length of the protective caps at the end of chromosomes, which shortens with each cell division and is associated with aging.