Which One of the Following Microorganisms Was Once Called Blue-Green

question 23

Multiple Choice

Which one of the following microorganisms was once called blue-green algae

• A)Mycoplasmas
• B)Cyanobacteria
• C)Chlamydiae
• D)Rickettsia

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Definitions:

Distinct Quartets

In NMR spectroscopy, a pattern indicating a group of hydrogen atoms coupled to three other hydrogens, resulting in four equally spaced peaks.

Off-Resonance Decoupled

In NMR spectroscopy, a technique used to simplify complex spectra by decoupling specific nuclei from the observed spin-spin interactions.

Proton Spin Decoupled

A technique in nuclear magnetic resonance (NMR) spectroscopy that removes the interaction between proton spins to simplify the spectrum and aid in structural analysis.

Proton Spin Decoupled

A method used in nuclear magnetic resonance (NMR) spectroscopy where the interactions between proton spins are removed to simplify the spectrum.