Podcast
Questions and Answers
Who presented work in 1865 demonstrating that hereditary traits are passed onto progeny?
Who presented work in 1865 demonstrating that hereditary traits are passed onto progeny?
- Mohamed Abdraboh
- Oswald T.Avery
- Frederick Griffith
- Mendel (correct)
What is the function of pancreatic deoxyribonuclease?
What is the function of pancreatic deoxyribonuclease?
- To degrade RNA
- To synthesize RNA
- To degrade DNA (correct)
- To degrade protein
What characteristic of peas did Mendel follow in his experiments?
What characteristic of peas did Mendel follow in his experiments?
- Shape and color
- Yellow vs. green
- Size and weight
- Round vs. wrinkled (correct)
Who took the first high-quality X-ray diffraction pictures of DNA?
Who took the first high-quality X-ray diffraction pictures of DNA?
What is the ratio of dominant to recessive traits in Mendel's experiments?
What is the ratio of dominant to recessive traits in Mendel's experiments?
What is the characteristic of the double helix structure of DNA?
What is the characteristic of the double helix structure of DNA?
What determines the appearance of a trait in an individual?
What determines the appearance of a trait in an individual?
What is the significance of the complementary strands in the double helix structure?
What is the significance of the complementary strands in the double helix structure?
What is the genetic composition of an individual?
What is the genetic composition of an individual?
What is the sugar-phosphate backbone composed of in DNA?
What is the sugar-phosphate backbone composed of in DNA?
Who demonstrated in 1928 that non-virulent strains of bacteria become virulent when mixed with their heat-killed pathogenic counterparts?
Who demonstrated in 1928 that non-virulent strains of bacteria become virulent when mixed with their heat-killed pathogenic counterparts?
What is the characteristic of the 2’deoxyribose sugar backbone in DNA nucleotides?
What is the characteristic of the 2’deoxyribose sugar backbone in DNA nucleotides?
What is the primary function of weak chemical bonds in molecular biology?
What is the primary function of weak chemical bonds in molecular biology?
What is the active genetic component that was demonstrated by Oswald T.Avery and his colleagues in 1944?
What is the active genetic component that was demonstrated by Oswald T.Avery and his colleagues in 1944?
What is the function of the phosphate group in DNA nucleotides?
What is the function of the phosphate group in DNA nucleotides?
What is the term for a gene pair in which both the maternal and paternal genes are identical?
What is the term for a gene pair in which both the maternal and paternal genes are identical?
Which of the following is NOT a type of weak chemical bond?
Which of the following is NOT a type of weak chemical bond?
What is the distance between the phosphate backbone in the major and minor grooves?
What is the distance between the phosphate backbone in the major and minor grooves?
What is the reason behind the unequal sharing of electrons in a water molecule?
What is the reason behind the unequal sharing of electrons in a water molecule?
What is the partial charge on the hydrogen atom in a water molecule?
What is the partial charge on the hydrogen atom in a water molecule?
What is the term for the attraction between a covalently bound donor hydrogen atom and an acceptor atom?
What is the term for the attraction between a covalently bound donor hydrogen atom and an acceptor atom?
Which of the following is a common hydrogen acceptor?
Which of the following is a common hydrogen acceptor?
What is the term for the electric dipole that forms in a water molecule?
What is the term for the electric dipole that forms in a water molecule?
What is the primary function of covalent bonds in molecular biology?
What is the primary function of covalent bonds in molecular biology?
What is attached to the sugar at the 1' position?
What is attached to the sugar at the 1' position?
What type of linkage is formed between nucleotides in a DNA chain?
What type of linkage is formed between nucleotides in a DNA chain?
Which of the following bases is a pyrimidine?
Which of the following bases is a pyrimidine?
What is the direction in which DNA is conventionally read?
What is the direction in which DNA is conventionally read?
What is the result of the base pairing between complementary strands of DNA?
What is the result of the base pairing between complementary strands of DNA?
What is the primary force responsible for the stability of the double helix?
What is the primary force responsible for the stability of the double helix?
Which of the following base pairings is correct in DNA?
Which of the following base pairings is correct in DNA?
What is the result of the disruption of water interactions with the bases in DNA?
What is the result of the disruption of water interactions with the bases in DNA?
What causes Van der Waals Forces?
What causes Van der Waals Forces?
What primarily determines the radius of Van der Waals interactions?
What primarily determines the radius of Van der Waals interactions?
What is the nature of ionic interactions discussed?
What is the nature of ionic interactions discussed?
What causes hydrophobic interactions?
What causes hydrophobic interactions?
In the context of hydrophobic interactions, what analogy is useful?
In the context of hydrophobic interactions, what analogy is useful?
What results in a net dipole throughout a helix?
What results in a net dipole throughout a helix?
What type of large-scale interaction is created by the net dipole in a helix?
What type of large-scale interaction is created by the net dipole in a helix?
Which terminus of the helix possesses a net positive charge?
Which terminus of the helix possesses a net positive charge?
