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

question 17

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

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Definitions:

Undifferentiated Cells

Cells that have not yet developed into specialized cell types, retaining the ability to divide and become any type of cell in the organism.

Drosophila

A genus of small fruit flies, often used as model organisms in genetic research.

Arabidopsis

A model organism used in plant research, especially in genetics and molecular biology, known as Arabidopsis thaliana.

Plant Development

The growth and differentiation processes in plants, from germination through maturity, involving cellular, physiological, and structural changes.