Gyrase topoisomerase ii - Study guides, Class notes & Summaries

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topoisomerase 1 → Making single-stranded DNA breaks to relieve supercoiling at origin topoisomerase 2 → An enzyme that breaks both strands (a DNA double helix), rotates the ends, and seals the break. → *USES ATP* DNA gyrase → type of topoisomerase 2 DNA helicase → An enzyme that unwinds the DNA double helix at origin Primase → RNA polymerase: An enzyme that joins RNA nucleotides to make the primer using the parental DNA strand as a template. Single strand binding prote...

ASCP Molecular Biology Certification Exam (Technologist in Molecular Biology, MB(ASCP) board exam prep) Latest Questions With Solved Solutions.

ASCP Molecular Biology Final Board Assessment test Questions with certified Answers 2023/2024 Pyrimidine - correct answer One carbon ring Cytosine, Thymine, Uracil Purine - correct answer Two carbon rings Adenine, Guanine How are nucleotides joined together? - correct answer Condensation to form phosphodiester bond What is the function of mRNA? - correct answer Carries genetic info out of nucleus Transcript translated to protein What is the function of tRNA? - correct an...

Pyrimidine - correct answer One carbon ring Cytosine, Thymine, Uracil Purine - correct answer Two carbon rings Adenine, Guanine How are nucleotides joined together? - correct answer Condensation to form phosphodiester bond What is the function of mRNA? - correct answer Carries genetic info out of nuc...

Similarities between eukaryotic and prokaryotic cells 1) Semi-conservative 2) Bidirectional Prokaryotic cells 1) Circular DNA 2) Single origin of replication Eukaryotic cells 1) Linear DNA 2) Multiple origins of replication New strands are always synthesized from: 5' --> 3' end of each strand Template strand is read: 3' --> 5' Chain extension occurs: by adding a dNTP to free 3' end of growing polynucleotide chain DNA polymerase DNA s...

SFSU Biology 230 Final Exam with complete solutions What are the two components of the proton-motive force? a. pH gradient and equilibrium b. pH gradient and voltage c. voltage and ATP d. voltage and lipid-soluble agents - ️️ b. pH gradient and voltage Which molecule is responsible for unwinding DNA supercoils before replication in E. coli? a. DNA helicase b. DNA ligase c. DNA polymerase III d. Gyrase e. Topoisomerase I/II - ️️ a. DNA helicase What is the likely cause of an ...

Pyrimidine - Correct Answer One carbon ring Cytosine, Thymine, Uracil Purine - Correct Answer Two carbon rings Adenine, Guanine How are nucleotides joined together? - Correct Answer Condensation to form phosphodiester bond What is the function of mRNA? - Correct Answer Carries genetic info out of nucleus Transcript translated to protein What is the function of tRNA? - Correct Answer Carries aa to ribosome Anticodon pairs with codon on mRNA strand What is the function of rRNA? ...

OpenStax Microbiology Test Bank Chapter 11: Mechanisms of Microbial Genetics * = Correct answer Multiple Choice 1. Gene expression includes which of the following? A. DNA replication B. replication, transcription, and translation C. transcription and translation* D. translation only 2. The central dogma describes which of the following? A. the process by which enzymes are modified after translation B. the steps of gene expression* C. the way DNA is replicated D. the way RNA is...

NBME Final – Biochem Exam Questions and Answers 100% Pass Lesch-Myhan syndrome - answer- X-linked recessive - absent *HGPRT* (hypoxanthine guanine phosphoribosyl transferase) (hypoxanthine --> IMP & guanine --> GMP) - excess *uric acid* *H*yperuricemia (orange "sand" in diaper) *G*out *P*issed off (aggression, self-mutilation) *R*etardation Dys*T*onia Adenosine deaminase deficiency - answer- toxicity in lymphocytes - autosomal recessive SCID Irinotecan/topotecan - answ...