All Cells Contain _______

question 51

Multiple Choice

All cells contain _______.

• A) mitochondria to generate ATP
• B) ribosomes for protein synthesis
• C) organelles for compartmentalization
• D) cell walls made of cellulose
• E) uracil in their DNA

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Definitions:

Dendritic Cells

Immune cells that process antigen material and present it on their surface to other cells of the immune system, playing a critical role in triggering adaptive immunity.

Natural Killer Cells

A type of lymphocyte (white blood cell) that plays a major role in the rejection of tumors and cells infected by viruses.

Interferons

A group of signaling proteins made and released by host cells in response to the presence of pathogens, such as viruses, bacteria, or tumor cells.

Antigen-Presenting Cells

Cells that process and present antigens to T-cells to initiate an immune response.