Which Statement Best Describes Human Longevity 100 Years Ago

question 112

Multiple Choice

Which statement best describes human longevity 100 years ago?

• A) The human lifespan was shorter than it is today.
• B) The average life expectancy for European Americans was 35.5.
• C) The average life expectancy for European Americans was shorter than for African Americans.
• D) The average life expectancy for African Americans was shorter than for European Americans.

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Definitions:

Short Tandem Repeat

A sequence in the DNA consisting of multiple copies of a specific short nucleotide sequence.

Fluorescent Labeling

A technique used in biological research to mark molecules in cells or tissues with fluorescent dyes.

Mitochondria

Organelles known as the powerhouses of the cell, where respiration and energy production occur.

Telomeres

Protective structures at the ends of chromosomes that prevent the loss of genetic information during cell division.