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Questions and Answers
What are the two main types of nucleic acids?
What are the two main types of nucleic acids?
- Amino acids and lipids
- Deoxyribonucleic acids and carbohydrates
- Ribonucleic acids and proteins
- Deoxyribonucleic acids and Ribonucleic acids (correct)
What is the secret behind the conserved sequence of amino acid in a protein?
What is the secret behind the conserved sequence of amino acid in a protein?
- Nucleotide structure
- Transcription
- Translation (correct)
- Replication
How are nucleosides formed?
How are nucleosides formed?
- By connecting C5` of pentose to N-1 of a pyrimidine base (correct)
- By esterification of phosphoric acid to the alcohol group at C-1` of the pentose structure
- By connecting C1` of pentose to N-1 of a purine base
- By esterification of phosphoric acid to the alcohol group at C-5` of the pentose structure
What is the main responsibility of nucleic acids?
What is the main responsibility of nucleic acids?
What are the nitrogenous bases that form nucleotides?
What are the nitrogenous bases that form nucleotides?
What are the levels of organization of DNA?
What are the levels of organization of DNA?
What is the backbone of each DNA strand made of?
What is the backbone of each DNA strand made of?
How many base pairs are there per turn in the double helix of DNA?
How many base pairs are there per turn in the double helix of DNA?
What holds the two strands of DNA together in the double helix structure?
What holds the two strands of DNA together in the double helix structure?
What is the most common physiological form of the double helix structure of DNA?
What is the most common physiological form of the double helix structure of DNA?
In what direction is the order of nucleotides always written?
In what direction is the order of nucleotides always written?
What is the primary role of histone proteins in chromatin structure?
What is the primary role of histone proteins in chromatin structure?
What is the primary component of each chromatid in chromatin structure?
What is the primary component of each chromatid in chromatin structure?
What is the structure of chromatin before cell division?
What is the structure of chromatin before cell division?
What is the main function of nucleosomes in chromatin structure?
What is the main function of nucleosomes in chromatin structure?
What is the primary characteristic of histone proteins that allows them to interact with DNA?
What is the primary characteristic of histone proteins that allows them to interact with DNA?
What is the structure formed by 8 histones around which a segment of dsDNA is wound nearly twice?
What is the structure formed by 8 histones around which a segment of dsDNA is wound nearly twice?
Which phase of the cell cycle involves the replication of DNA to produce copies for both daughter cells?
Which phase of the cell cycle involves the replication of DNA to produce copies for both daughter cells?
Which class of proteins are important for the regulation of gene expression and responsible for replication and transcription?
Which class of proteins are important for the regulation of gene expression and responsible for replication and transcription?
What is the shape assumed by the nucleofilament when nucleosomes are packed more tightly to form it?
What is the shape assumed by the nucleofilament when nucleosomes are packed more tightly to form it?
Which phase of the cell cycle involves the cell preparing itself for replication?
Which phase of the cell cycle involves the cell preparing itself for replication?
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