Increasing Ages of Mothers at First Births and Increasing Longevity

question 35

Multiple Choice

Increasing ages of mothers at first births and increasing longevity are resulting in:

• A)more grandparents and more grandchildren per grandparent
• B)fewer grandparents and fewer grandchildren per grandparent
• C)more grandparents and fewer grandchildren per grandparent
• D)fewer grandparents and more grandchildren per grandparent

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Definitions:

Antioxidants

Substances that inhibit oxidation, protecting cells against free radicals.

Glycolysis

The metabolic pathway in the cytoplasm where glucose is broken down to pyruvate, generating ATP and NADH.

Phosphoglyceraldehyde (PGAL)

A three-carbon sugar molecule that serves as an intermediate in several central metabolic pathways, importantly in photosynthesis and glycolysis.

Glucose

A simple sugar that is an important energy source in living organisms and is a component of many carbohydrates.