A Yeast Is Cultured in the Presence of Radioactive Phosphate

question 102

Multiple Choice

A yeast is cultured in the presence of radioactive phosphate and the following biological molecules are purified. Which molecule should be most radioactive?

• A) RNA
• B) Amino acids
• C) An oligosaccharide
• D) Fats
• E) Proteins

---

Definitions:

FMRI

Functional Magnetic Resonance Imaging, a neuroimaging procedure using MRI technology to measure brain activity by detecting changes associated with blood flow.

Magnetoencephalogram

A non-invasive neuroimaging technique that measures the magnetic fields produced by neural activity in the brain, used in the study of brain functions.

Electroencephalogram

An exam that records the brain's electrical movements through small, metallic discs affixed to the head.

EEG

Electroencephalography, a non-invasive method that records electrical activity of the brain to help diagnose conditions like epilepsy and sleep disorders.