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Biology & Geology

Chapter 2 - Hormonal Coordination in Living Organisms

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Chapter 3 - Reproduction in Living Organisms

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Chapter 4 - Immunity in Living Organisms

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Chapter 5 - Molecular Biology - DNA Structure and Function

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Chapter 6 - Molecular Biology - RNA, Protein Synthesis and Genetic Engineering

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Quiz

Lesson 2: DNA Structure, Replication and DNA Repair Enzymes — Picture questions (exam style)

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1.
The table gives the percentage of each base in DNA samples. Which option is correct?
The table gives the percentage of each base in DNA samples. Which option is correct?
(?) = 27%, S2 is single-stranded
(?) = 27%, S1 is single-stranded
(?) = 73%, S4 is single-stranded
(?) = 27%, S3 is single-stranded
2.
The table gives the percentage of each base in DNA samples. Which option is correct?
The table gives the percentage of each base in DNA samples. Which option is correct?
(?) = 40%, S1 is single-stranded
(?) = 30%, S1 is single-stranded
(?) = 10%, S1 is single-stranded
(?) = 70%, S3 is single-stranded
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