You Label Cells with a Radioactive Isotope of Sulfur (³⁵S)

question 46

Multiple Choice

You label cells with a radioactive isotope of sulfur (³⁵S) .The only molecules that would be radioactively labeled in these cells are:

• A)Lipids
• B)Proteins
• C)Carbohydrates
• D)Nucleic acids

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Definitions:

Neuroblasts

Immature neuronal cells capable of dividing and differentiating into various types of neurons.

Glioblasts

Immature glial cells that can differentiate into various types of glial cells in the central nervous system.

Progenitor Cells

Cells that have a limited capacity to divide and differentiate into various cell types, playing a key role in the development, growth, and repair of tissues.

Neural Tube

The precursor in embryonic development that eventually forms the central nervous system including the brain and spinal cord.