Asked in Premeth Test 3 — The Cell, Evolution and Enzymes (5 March 2025) 2025Moderate

The technique is used to determine the growth of bacteria, rate of photosynthesis, and minute quantity of DNA:

Correct answer: E. Spectrophotometry

  • A. Electrophoresis
  • B. Micrometry
  • C. Microscopy
  • D. Chromatography
  • E. Spectrophotometry

Explanation

Spectrophotometry is a quantitative analytical technique used to measure the absorbance or transmittance of light by a substance. It relies on the principle that different substances absorb light at specific wavelengths, allowing for identification and quantification.

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