Which of the Following Statements Is FALSE

question 10

Multiple Choice

Which of the following statements is FALSE?

• A)Complex multicellularity does not involve the differentiation of cells with distinct shapes and functions.
• B)Complex multicellularity involves differentiation in space instead of time.
• C)Unicellular organisms can have life cycles in which different cell types alternate in time.
• D)Distinct cell fates are achieved by switching on and off different combinations of genes in different cells.
• E)Gradients of environmental signals trigger differentiation of cells.

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Definitions:

Antibody

A protein produced by the immune system that recognizes and binds to specific foreign substances (antigens) to help fight off infections.

Antigens

Substances that induce an immune response in the body, especially the production of antibodies.

Radioimmunoassay

A sensitive technique used in biochemistry to measure concentrations of antigens by the use of antibodies.

False Positive

A test result which wrongly indicates the presence of a condition or characteristic.