The Defining Characteristic of a Stem Cell Is

question 55

Multiple Choice

The defining characteristic of a stem cell is

• A)self-repair.
• B)self-renewal.
• C)the ability to turn into a cancer cell.
• D)origin from a progenitor cell.

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Definitions:

mRNA

Messenger RNA, a type of RNA that conveys genetic information from DNA to the ribosome, where they specify the amino acid sequence of the protein products of gene expression.

Microvilli

Microscopic cellular membrane protrusions that increase surface area for absorption, particularly in the intestines.

Lysosomal Membrane

The protective barrier surrounding lysosomes, containing enzymes to break down waste materials and cellular debris.

Microtubules

Cylindrical structures in the cytoplasm of eukaryotic cells, involved in cellular processes like shape maintenance and intracellular transport.