Stem Cells Can Be Obtained from Self-Renewing Regions of an Adult

question 5

Multiple Choice

Stem cells can be obtained from self-renewing regions of an adult vertebrate brain, cultured in suspension or in monolayer, and later grafted back into a live animal. When implanted, stem cells isolated from mouse hippocampus …

• A) can only give rise to hippocampus neurons, even in a different location in the brain.
• B) can give rise to neurons in another part of the brain, e.g. in the olfactory bulb.
• C) are unable to proliferate unless implanted in the hippocampus, where they contribute to its neurons.
• D) can give rise to any cell (e.g. muscle cells) when implanted into muscle tissue.

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Definitions:

Centrioles

Cylinder-shaped organelles found in animal cells, playing a crucial role in cell division by helping in the formation of the spindle apparatus.

Microvilli

Tiny hair-like structures on the surface of cells in the small intestine, increasing surface area for absorption of nutrients.

Columnar Cells

Elongated, pillar-like cells, often found lining organs such as the intestines or respiratory tract, involved in absorption, secretion, or protection.

Transcription

Process of forming RNA from a DNA template.