Why Is Apoptosis Potentially Threatening to the Healthy "Neighbors" of a Dying

question 15

Multiple Choice

Why is apoptosis potentially threatening to the healthy "neighbors" of a dying cell?

• A) Cell death would usually spread from one cell to the next via paracrine signals.
• B) Lysosomal enzymes exiting the dying cell would damage surrounding cells.
• C) Released cellular energy would interfere with the neighbors' energy budget.
• D) Bits of membrane from the dying cell could merge with neighbors and bring in foreign receptors.
• E) Neighboring cells would activate immunological responses.

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Definitions:

Stratum Corneum

The outermost layer of the epidermis, consisting of dead and flattened keratinocytes that act as a barrier to infection and water loss.

Stratum Spinosum

A layer of the epidermis found above the basal layer, characterized by its spiny appearance due to desmosomal connections between cells.

Stratum Basale

The deepest layer of the five layers of the epidermis, responsible for the generation of new skin cells.

Mitosis

A type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.