The Covariance

question 132

Multiple Choice

The covariance

• A) can be positive or negative.
• B) must be less than +1.
• C) must be between −1 and +1.
• D) must be positive.

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Definitions:

Cytotoxic T Cells

Immune cells responsible for eliminating cancer cells, attacking cells infected mainly by viruses, or destroying cells that have sustained various forms of damage.

Phagocytosis

The process by which cells, such as macrophages or neutrophils, engulf and digest microscopic particles or pathogens, serving as an important mechanism in the immune response.

Immunoglobulin

Antibody found in the gamma globulin portion of plasma.

Inflammation

A biological response to harmful stimuli, such as pathogens or damaged cells, involving immune cells, blood vessels, and molecular mediators to facilitate healing.