Which Physical State Has Volume but No Specific Shape

question 13

Multiple Choice

Which physical state has volume but no specific shape?

• A) gas
• B) liquid
• C) solid
• D) no such state exists
• E) A and B

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Definitions:

T-cell Receptors

Molecules found on the surface of T-cells that are responsible for recognizing fragments of antigen as peptides bound to major histocompatibility complex (MHC) molecules.

Foreign Antigens

Substances that are recognized by the immune system as non-self, triggering an immune response.

Self-antigens

Antigens present on the body's own cells; usually tolerated by the immune system.

Transplanted Tissues

Tissues moved from one body and placed into another, either in the same person or between individuals, to replace damaged or defective tissues.