Bio 161 Lab Quiz Week 6 Questions and Answers
with Complete Solutions 100% Correct | New
Update 2025-2026
Steps of DNA Extraction - ANSWERS 1. Cell Lysis
2. Bind DNA to Silica
3. Wash DNA
4. DNA Elution/Storage
What materials are required in each step of DNA Extraction - ANSWERS 1 & 2.
Lysis buffer
3. Pre wash buffer and Wash buffer
5. Elution buffer
What specifically is used for cell lysis and binding of DNA to silica - ANSWERS
chaotropic salts are responsible for lysis by disrupting interactions between water
and nucleic acids, and by destabilizing van der waals, hydrogen bonds, and
hydrophobic interactions
What specifically is used for washing the DNA - ANSWERS salts are used
remove and disrupt residual proteins and other molecules
ethanol is used to carry away salts
with Complete Solutions 100% Correct | New
Update 2025-2026
Steps of DNA Extraction - ANSWERS 1. Cell Lysis
2. Bind DNA to Silica
3. Wash DNA
4. DNA Elution/Storage
What materials are required in each step of DNA Extraction - ANSWERS 1 & 2.
Lysis buffer
3. Pre wash buffer and Wash buffer
5. Elution buffer
What specifically is used for cell lysis and binding of DNA to silica - ANSWERS
chaotropic salts are responsible for lysis by disrupting interactions between water
and nucleic acids, and by destabilizing van der waals, hydrogen bonds, and
hydrophobic interactions
What specifically is used for washing the DNA - ANSWERS salts are used
remove and disrupt residual proteins and other molecules
ethanol is used to carry away salts
