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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 Quiz: DNA Structure, Replication and DNA Repair Enzymes

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1.
The universal gas constant R in SI units has the numerical value and dimensions of:
6.022 x 1023 J / K
0.0821 J / mol
8.314 J / (mol . K)
1.38 x 10−23 Pa . m3
2.
The decisive experiment for Hershey and Chase (Hershey & Chase) To prove that DNA is the genetic material of bacteriophages, I relied on:
Radioactive phosphorus numbering P-32 in DNA and radioactive sulfur numbering S-35 in the protein envelope
Radioactive nitrogen and carbon numbering
Isolation of bacterial plasmids
Use of deoxyribonuclease enzyme to analyze protein
3.
In gene cloning technology, a ligase is used to:
Cut the plasmid
Linking the integrated sticky ends of a target gene to the sticky ends of a circular plasmid
mRNA transcription
Breaking down proteins
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