The Early U

question 26

True/False

The early U.S.canals and railroads were built by private enterprise without the aid of governments.

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Definitions:

Chromosomes

Threadlike structures made of DNA molecules that contain the genes.

Sperm Cells

Sperm cells are the male reproductive cells responsible for fertilization, carrying genetic information to the egg cell during reproduction.

Brain Cells

Cells located in the brain, including neurons and glial cells, that are responsible for processing and transmitting information.

Blood Cells

Cells that circulate in the blood and are responsible for various functions including oxygen transport (red blood cells), immunity (white blood cells), and blood clotting (platelets).