3
QuizMultiple Choice

Meiosis — Unit test

Question 3 • * SY2025-26 - 2002070 M/J Comprehensive Science 2 Sem 1 CR

Which important property of DNA did Friedrich Miescher discover?

Answer
A
It is made partly of sugar molecules.
B
It has a double-helix structure.
C
It is three-dimensional.
D
It is found in the nucleus of a cell.

Explanation

Friedrich Miescher isolated a substance he called “nuclein” from cell nuclei in the 19th century; it was later identified as DNA. The double-helix structure was discovered much later, and the sugar components of DNA were characterized by other researchers.

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