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exam specific answers (amino acids, proteins and DNA)
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Total cards: 3•Content version: v4•Public deck•Updated: 8/1/2026
Card preview (3)
#1
Front (Question)
state the meaning of the term complementary when it is used to refer to DNA strands. (1)
Back (Answer)
the two strands have base sequences that match A to T and C to G
#2
Front (Question)
explain why the strength of the interaction between two cysteine R groups differs from the strength of the interaction between a serine R group and an aspartic acid R group. (4)
Back (Answer)
• two cysteine R groups form disulfide bridge • serine and aspartic acid R groups form hydrogen bonds • disulfide bridges are stronger than hydrogen bonds • because disulfide bridges are covalent bonds
#3
Front (Question)
state why each amino acid has a different Rf value. (1)
Back (Answer)
each one has a different relative attraction to the stationary and mobile phases