Podcast
Questions and Answers
What type of bond links nucleotides in DNA?
What type of bond links nucleotides in DNA?
- Peptide bond
- Phosphodiester bond (correct)
- Ionic bond
- Hydrogen bond
How many bases are there per turn in the DNA double helix?
How many bases are there per turn in the DNA double helix?
- 10 (correct)
- 20
- 5
- 15
What is the function of specialized proteins in eukaryotic cells in relation to DNA?
What is the function of specialized proteins in eukaryotic cells in relation to DNA?
- Generate new chromosomes
- Transcribe the DNA
- Replicate the DNA
- Generate a series of coils and loops (correct)
What is the total genetic information in a cell called?
What is the total genetic information in a cell called?
What are repeated sequences at the end of chromosomes used for?
What are repeated sequences at the end of chromosomes used for?
What is the function of centromeres in mitotic chromosomes?
What is the function of centromeres in mitotic chromosomes?
What is the name of the complex of DNA and protein in a cell's nucleus?
What is the name of the complex of DNA and protein in a cell's nucleus?
How many meters of DNA does each human cell contain?
How many meters of DNA does each human cell contain?
What do telomeres cap the ends of?
What do telomeres cap the ends of?
What kind of bonds link nucleotides in DNA?
What kind of bonds link nucleotides in DNA?
What is the mysterious material that turned harmless bacteria into pathogenic ones, as described in the text?
What is the mysterious material that turned harmless bacteria into pathogenic ones, as described in the text?
What did Avery, MacLeod, and McCarty demonstrate to be the genetic material?
What did Avery, MacLeod, and McCarty demonstrate to be the genetic material?
Who definitively showed that genes are made of DNA?
Who definitively showed that genes are made of DNA?
How are the two strands of the DNA double helix held together?
How are the two strands of the DNA double helix held together?
What are genes made of?
What are genes made of?
What did biologists recognize about inherited traits before understanding the DNA structure?
What did biologists recognize about inherited traits before understanding the DNA structure?
What are the most frequent chemical reactions known to create serious DNA damage in cells?
What are the most frequent chemical reactions known to create serious DNA damage in cells?
What is the first basic step involved in repairing DNA damage?
What is the first basic step involved in repairing DNA damage?
What is the consequence of leaving a DNA mismatch without correction?
What is the consequence of leaving a DNA mismatch without correction?
Which type of repair plays an important role in preventing cancer?
Which type of repair plays an important role in preventing cancer?
What can cause the formation of thymine dimers in DNA?
What can cause the formation of thymine dimers in DNA?
What is the last step involved in repairing DNA damage?
What is the last step involved in repairing DNA damage?
Which strategy for repairing double-strand DNA breaks is known for rapidly sticking before drifting apart and often leading to nucleotide loss?
Which strategy for repairing double-strand DNA breaks is known for rapidly sticking before drifting apart and often leading to nucleotide loss?
What occurs shortly after DNA replication and before cell division, allowing for error-free repair of DNA double-strand breaks?
What occurs shortly after DNA replication and before cell division, allowing for error-free repair of DNA double-strand breaks?
What can lead to the fragmentation of chromosomes and is difficult to repair?
What can lead to the fragmentation of chromosomes and is difficult to repair?
Which process relies on genetic redundancy and is used for repairing DNA mismatches?
Which process relies on genetic redundancy and is used for repairing DNA mismatches?
What less soluble type of hemoglobin is associated with sickle-cell anemia?
What less soluble type of hemoglobin is associated with sickle-cell anemia?
What type of repair strategy provides an 'error-free' approach for fixing DNA double-strand breaks?
What type of repair strategy provides an 'error-free' approach for fixing DNA double-strand breaks?
Which specialized enzyme helps the broken 3’ strand to invade the unbroken homologous DNA and search for complementarity during DNA repair?
Which specialized enzyme helps the broken 3’ strand to invade the unbroken homologous DNA and search for complementarity during DNA repair?
'Quick and dirty' repair of double-strand DNA breaks often leads to the loss of which component?
'Quick and dirty' repair of double-strand DNA breaks often leads to the loss of which component?
'Error-free' repair of double-strand DNA breaks occurs shortly after which cellular process?
'Error-free' repair of double-strand DNA breaks occurs shortly after which cellular process?
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