MacConkey (MAC) Agar Is Used to

question 23

Multiple Choice

MacConkey (MAC) agar is used to

• A) differentiate between hemolytic and nonhemolytic gram-negative rods.
• B) show the clear, pinpoint colonies of Haemophilus influenzae.
• C) demonstrate the large, pink colonies of Neisseria meningitidis.
• D) differentiate between lactose fermenters and lactose nonfermenters.

Understand the principles of NMR signal prediction including the number of signals, their splitting patterns, and relative areas.

Identify and describe the concept of chemical equivalency and stereotopic relationships in NMR spectroscopy.

Recognize the differences between various NMR spectra (proton NMR, carbon-13 NMR, DEPT spectra) and comprehend how different functional groups and molecular structures affect the spectra.

Understand the concept of spin-spin splitting and be able to predict the multiplicity and ratios of peak areas.

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