Dna helicase - Study guides, Class notes & Summaries

BIOL 2300 Quizzes 1-7 Latest Update Graded A+ DNA is negatively charged because a. the ribose sugars of DNA are positively charged b. the ribose sugars of DNA are negatively charged c. the nitrogenous bases are negatively charged d. the phosphate backbone of DNA is negatively charged e. DNA is not acidic d. the phosphate backbone of DNA is negatively charged DNA replication is a. semi-conservative b. dispersive c. conservative d. error prone a. semi-conservative Define D...

1. Griffith's experiments with heat killed pathogenic bacteria and live non-pathogenic bacteria indicated something from the dead bacteria could do something to the living, non-pathogenic bacteria that he called transfor- mation. What changes were observed in colony appearance and pathogenic- ity?: When the heat-killed S cells were mixed with the living R cells they combined and formed living S cells- smooth encapsulated cells 2. What biological macromolecule did Avery, McCarty, and MacLeod i...

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...

Biology 115 Exam 3 WVU Latest Update Graded A+ Meiosis DNA replication prior to cell division Sister Chromatids are two copies of the same DNA(have the exact same sequence) Helicase Breaks H-bonds to open the replication bubble Topoisomerase Breaks a single covalent bond ahead of the replication bubble Single-stranded DNA binding proteins Prevents the re-annealing of a single stranded DNA DNA Polymerase III recognized double stranded DNA/RNA hybrid and synthesized DNA from ...

How quickly does the body lose heat after death? - Approximately 1.5 degrees Fahrenheit per hour until it reaches surrounding environment temp Who did the fingerprint at the crime scene belong to? - Alex Garcia What is rigor mortis? - stiffening of the muscles after death What is lividity? - Pooling of the blood after death What is algor mortis? - Cooling of the body after death What causes your muscles to become stiff after death, or rigor mortis? - The loss of ATP which lasts for about ...

BRCC Biology 1033 Ch 11 Latest Update Graded A+ What are the fundamental components of DNA and RNA? - A) Proteins, lipids, and carbohydrates - B) Nucleotides - C) Amino acids and sugars - D) Phosphates and enzymes Explanation: Nucleotides are the basic building blocks of DNA and RNA, consisting of a sugar, phosphate group, and nitrogenous base. How do nucleotides connect to form DNA strands? - A) Hydrogen bonding - B) Covalently - C) Ionically - D) Magentically 2 ...

Honors Biology Semester 1 Final Exam Review with Complete Solutions What is the name of the protein complex that helps in the proper alignment and segregation of chromosomes during mitosis? Kinetochore What is the term for the process by which cells undergo programmed cell death to remove damaged or unneeded cells? Apoptosis What is the name of the organelle responsible for the synthesis and modification of ribosomal RNA? Nucleolus What is the term for the modification of...

TEST BANK for Fundamentals of Molecular Virology 2nd Edition by Acheson. Package Title: Testbank Course Title: Acheson 2nd edition Chapter Number: 01 Question type: Multiple Choice 1) Which of the following terms describes the protein shell that surrounds the viral genome? a) capsid b) envelope c) matrix d) virion e) capsomere Answer: a 2) Which of the following would not be a nucleic acid form found in a viral genome? a) dsDNA b) ssDNA c) dsRNA d) ssRNA e) an RNA:DN...

MCB 3020 UF Exam 2 Questions and Answers 100% CorrectMCB 3020 UF Exam 2 Questions and Answers 100% CorrectMCB 3020 UF Exam 2 Questions and Answers 100% CorrectMCB 3020 UF Exam 2 Questions and Answers 100% CorrectMCB 3020 UF Exam 2 Questions and Answers 100% Correct Components of the replisome are: - ANSWER - topoisomerase, single strand binding proteins, DNA polymerase III, helicase Anaerobic respiration - ANSWER - Uses electron carriers other than oxygen and yields less energy than aerobic ...

ADVANCED PLACEMENT (AP) BIOLOGY: Dna, Rna, And Proteins 181 Questions Correctly Answered | 100% Rated Question 1 Which type of mutation does not change an organism's phenotype despite changing its genotype? Possible Answers: Frameshift Missense Silent Nonsense Correct answer: Silent Question 2 What would be an immediate consequence for a cell with a mutant version of DNA polymerase III that has lost its proofreading function? Possible Answers: Cancer Inability to complete th...