Suppose One Twin Takes a Ride in a Spaceship Traveling

question 51

Multiple Choice

Suppose one twin takes a ride in a spaceship traveling at a very high speed to a distant star and then back again,while the other twin remains on Earth.Compared to the twin who remained on Earth,the astronaut twin is

• A)younger than the Earth-twin.
• B)the same age as the Earth-twin.
• C)older than the Earth-twin.
• D)The ages cannot be determined from the information provided.

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Definitions:

Glycogen

Highly branched polysaccharide of glucose monomers. Principal form of stored sugars in animals.

Liver Cells

Liver cells, also known as hepatocytes, are the main cell type found in the liver, performing various functions including detoxification, protein synthesis, and the production of biochemicals necessary for digestion.

Muscle Cells

Muscle cells, also known as muscle fibers, are the cells that make up muscle tissue, enabling movement through contraction and relaxation.

Ultimate Source

The final or primary source from which something originates or can be traced.