Base excision repair Study guides, Class notes & Summaries

ABSITE Exam Questions And Answers 100% Correct Latest (Graded A+). The vagus nerve mediates what in the setting of systemic inflammation? Correct Answer: Enhanced gut motility What type of hormones are cytokines? Correct Answer: polypeptide Function of heat shock proteins Correct Answer: Binding of autologous proteins to improve ligand binding Omega-3 fatty acids have what affect on the inflammatory response? Correct Answer: Decrease What is a known affect of TNF? Correct Answer: Expressi...

Base Excision Repair questions and answers.

Pyrimidine dimers formed in DNA due to UV radiation can be repaired by? SOS repair Double strand break repair Mismatch repair Photoreactivation repair (nucleotide excision repair) Base excision repair - CORRECT ANSWER Photoreactivation repair (nucleotide excision repair) Which of the following repair mechanisms uses methyl groups to distinguish between parental and daughter strands? Answers: Mismatch repair Photoreactivation repair (Nucleotide excision repair) SOS repair Doub...

Hemophilia Pedigree - Father has hemophilia, mother does not. What is the outcome for their kids? - His daughters would be carriers. This is x-link recessive. Autosomal: Dominant: - Autosomal: males and females equally affected. Dominant: non-carrier parents polymerase chain reaction (PCR) - The process of copying DNA in the lab. Uses Template DNA, Nucleotides (dNTPS), DNA Polymerase, and DNA primers. 3 Steps of PCR - 1. Denaturation: DNA is heated to 95C to separate it. 2. Annealing: re...

Pyrimidine dimers formed in DNA due to UV radiation can be repaired by? SOS repair Double strand break repair Mismatch repair Photoreactivation repair (nucleotide excision repair) Base excision repair - CORRECT ANSWER Photoreactivation repair (nucleotide excision repair) Which of the following repair mechanisms uses methyl groups to distinguish between parental and daughter strands? Answers: Mismatch repair Photoreactivation repair (Nucleotide excision repair) SOS repair Doubl...

Why do helicase and gyrase need to work together? correct answers Helicase unwinds DNA and gyrase relieves the torsional strain. Match the name of the DNA repair mechanism with the correct description. Functions with DNA replication to remove incorrect nucleotides from the nascent strand. Requires an endonuclease to remove an abasic nucleotide before DNA Pol I can replace a portion of the strand. Is needed to repair chemical damage in DNA effecting more than one nucleotide, such as c...

How is the Ames test used to quantitate mutagenic potential of chemical compounds? Select the TWO best answers. correct answers The Salmonella test strain used in the Ames test contains a mutation in the histidine biosynthetic pathway, which is used to identify compounds that induce back mutations to permit bacterial growth on histidine free plates. The chemical compound to be tested is added to a filter paper disk and placed on agar plates containing the tester Salmonella strain; potent muta...

WGU Biochemistry OA (Latest 2022/2023) Verified Answers Bohr Effect chart (low pH) C- High CO2 H- High H+ A- Acidic R-Release of O2(rt. Shift) T- tense state (in tissues) Primary structure Sequence of amino acids that make up a protein Secondary Structure Sequence of amino acids fold. Tertiary Structure -more folding in a 3D shape. -R groups (side chains) Quaternary Structure Protein has more than 1 polypeptide chain. Chemical reaction -absorb and release en...

WGU 785 Final Exam Questions & Answers 2024/2025 Hemophilia Pedigree - Father has hemophilia, mother does not. What is the outcome for their kids? - ANSWERSHis daughters would be carriers. This is x-link recessive. Autosomal: Dominant: - ANSWERSAutosomal: males and females equally affected. Dominant: non-carrier parents polymerase chain reaction (PCR) - ANSWERSThe process of copying DNA in the lab. Uses Template DNA, Nucleotides (dNTPS), DNA Polymerase, and DNA primers. 3 Steps ...

ETS MAJOR FIELD TEST IN BIOLOGY SENIOR SEMINAR FINAL 2024 QUESTIONS WITH CORRECT ANSWERS ALREADY PASSED AND VERIFIED Pyrimidine dimers formed in DNA due to UV radiation can be repaired by? SOS repair Double strand break repair Mismatch repair Photoreactivation repair (nucleotide excision repair) Base excision repair - CORRECT ANSWER Photoreactivation repair (nucleotide excision repair) Which of the following repair mechanisms uses methyl groups to distinguish between parental and ...