Podcast
Questions and Answers
What did Walther Flemming discover in 1882?
What did Walther Flemming discover in 1882?
- DNA as the transforming principle
- Mitosis and the division of chromosomes (correct)
- The chromosomal theory of inheritance
- The four nitrogen bases of DNA
What did Theodor Boveri and Walter Sutton independently work on in the early 1900s?
What did Theodor Boveri and Walter Sutton independently work on in the early 1900s?
- The chromosomal theory of inheritance (correct)
- The discovery of mitosis and chromosome division
- The identification of DNA as the transforming principle
- The isolation of the five nitrogen bases of DNA and RNA
Which nitrogen base is replaced by uracil (U) in RNA?
Which nitrogen base is replaced by uracil (U) in RNA?
- Guanine (G)
- Cytosine (C)
- Adenine (A)
- Thymine (T) (correct)
Who first outlined DNA as the transforming principle in 1944?
Who first outlined DNA as the transforming principle in 1944?
What did Erwin Chargaff discover between 1944 and 1950?
What did Erwin Chargaff discover between 1944 and 1950?
Which scientist isolated the five nitrogen bases that are considered the basic building blocks of DNA and RNA?
Which scientist isolated the five nitrogen bases that are considered the basic building blocks of DNA and RNA?
What is the central dogma of molecular biology?
What is the central dogma of molecular biology?
What are the three major biopolymers required for life based on current biochemistry?
What are the three major biopolymers required for life based on current biochemistry?
What crucial property do polymers accumulating during the origin of life need to possess?
What crucial property do polymers accumulating during the origin of life need to possess?
What is a proposed primitive biochemistry dominated genetically and functionally by RNA called?
What is a proposed primitive biochemistry dominated genetically and functionally by RNA called?
What observation supported the existence of an RNA World in the 1960s?
What observation supported the existence of an RNA World in the 1960s?
What revelation added strong circumstantial evidence for the RNA World theory?
What revelation added strong circumstantial evidence for the RNA World theory?
What were Chargaff's Rules about?
What were Chargaff's Rules about?
What did Rosalind Franklin's X-ray crystallography images reveal about DNA?
What did Rosalind Franklin's X-ray crystallography images reveal about DNA?
Who first published the double helix structure of DNA?
Who first published the double helix structure of DNA?
What did Johann Friedrich Miescher discover?
What did Johann Friedrich Miescher discover?
What did elemental analysis of nucleic acids reveal?
What did elemental analysis of nucleic acids reveal?
What did the complete hydrolysis of chromosomal nucleic acids yield?
What did the complete hydrolysis of chromosomal nucleic acids yield?
What is the main focus of the given text?
What is the main focus of the given text?
What is the significance of the discovery of catalytic RNAs, known as ribozymes?
What is the significance of the discovery of catalytic RNAs, known as ribozymes?
What is the process of FOLDING in the biological world?
What is the process of FOLDING in the biological world?
What is the key difference between a ribozyme and a proteinaceous enzyme?
What is the key difference between a ribozyme and a proteinaceous enzyme?
Who is credited with naming DNA?
Who is credited with naming DNA?
What is the full name of the abbreviation 'DNA'?
What is the full name of the abbreviation 'DNA'?
What is the acidic character of nucleic acids attributed to?
What is the acidic character of nucleic acids attributed to?
What is the difference between the R strain and the S strain of bacteria?
What is the difference between the R strain and the S strain of bacteria?
What did Oswald Avery and colleagues demonstrate about bacterial DNA?
What did Oswald Avery and colleagues demonstrate about bacterial DNA?
What is the relationship between DNA and RNA in terms of their sugar components?
What is the relationship between DNA and RNA in terms of their sugar components?
What is the key difference between the DNA of single-celled organisms like bacteria and the DNA of multicellular organisms?
What is the key difference between the DNA of single-celled organisms like bacteria and the DNA of multicellular organisms?
