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Questions and Answers
What is the basic principle explained by the Central Dogma of Life?
What is the basic principle explained by the Central Dogma of Life?
- RNA codes for DNA, which codes for proteins
- Proteins code for DNA, which codes for RNA
- Proteins code for RNA, which codes for DNA
- DNA codes for RNA, which codes for proteins (correct)
What is the name of the sugar group in DNA?
What is the name of the sugar group in DNA?
- Deoxyribose (correct)
- Ribose
- Glucose
- Fructose
Which scientist proposed the double helix structure of DNA?
Which scientist proposed the double helix structure of DNA?
- Francis Crick and James Watson (correct)
- Gregor Mendel
- Avery, MacLeod, and McCarty
- Rosalind Franklin
Which nitrogenous bases have a double-ring structure?
Which nitrogenous bases have a double-ring structure?
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What type of molecule is RNA?
What type of molecule is RNA?
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Study Notes
Central Dogma of Life
- Describes the flow of genetic information in biological systems.
- Process involves DNA replication, transcription into RNA, and translation into proteins.
- Highlights the fundamental processes of heredity and gene expression.
Sugar Group in DNA
- The sugar in DNA is deoxyribose.
- Deoxyribose is a five-carbon sugar that lacks one oxygen atom compared to ribose.
Double Helix Structure Proposers
- James Watson and Francis Crick proposed the double helix structure of DNA.
- Their model was based on data from Rosalind Franklin's X-ray diffraction images.
Double-Ring Nitrogenous Bases
- Purines are nitrogenous bases with a double-ring structure.
- Key purines include adenine (A) and guanine (G).
RNA Molecule Type
- RNA is a nucleic acid.
- It is typically single-stranded and plays pivotal roles in protein synthesis and gene regulation.
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