Semiconservative dna Study guides, Class notes & Summaries

MOLECULAR AND CELLULAR BIOLOGY TEST BANK 6 EXAM 1 WITH QUESTIONS AND WELL IDENTIFIED ANSWERS[GRADED A+] The process of DNA replication requires that each of the parental DNA strands be used as a _____ to produce a duplicate of the opposing strand - ANS-(c) template DNA replication is considered semiconservative because - ANS-(c) each daughter DNA molecule consists of one strand from the parents DNA molecules and one new strand (d) true, but not correct - new DNA strands must be...

Which of the following does cytosine pair with? a. guanine b. thymine c. adenine d. a pyrimidine - a. guanine Prokaryotes contain a ________chromosome, and eukaryotes contain ________ chromosomes. a. single-stranded circular; single-stranded linear b. single-stranded linear; single-stranded circular c. double-stranded circular; double-stranded linear d. double-stranded linear; double-stranded circular - c. double-stranded circular; doublestranded linear DNA replicates by which of the f...

OpenStax Microbiology Test Bank Chapter 10: Biochemistry of the Genome * = Correct answer Multiple Choice 1. Gregor Mendel conducted his revolutionary work on patterns of inheritance using which organism? A. fruit flies B. pea plants* C. roundworms D. snapdragons 2. Which best describes true-breeding organisms? A. They are heterozygous at multiple loci. B. They have been produced through hybridization. C. They produce offspring identical to themselves when self-fertilized.* D. The...

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...

Cell division requires what 3 things? - Answer-1. Replication of genetic material 2. Accurate segregation of genetic material 3. Divison of the cytoplasm between two cells Main difference between prokaryotes + eukaryotes? - Answer-Size and presence of membrane bound nucleus - prokaryotes are smaller, no nucleus / membrane bound organelles What is the term used to describe about 150 nucleotides of DNA wrapped around a core of histone proteins? - Answer-nucleosome Meiotic cell division play...

Biology Midterm 2 Exam Questions With Verified Answers Which of the following shows the correct base pairing of deoxyribonucleotides that occurs in nature? Select one: a. A with T b. A with U c. A with C d. A with G - answerG pairs with C A pairs with T U is found in RNA, not DNA The correct answer is: A with T According to the "semi-conservative" model of DNA replication, after a double-stranded DNA molecule is replicated Select one: a. each DNA strand of each of the two result...

DNA replication is said to be semiconservative because correct answer: one existing strand is retained in the new molecule Helicase is an enzyme that correct answer: separates the two parental DNA strands. Each new DNA strand begins with _____ polymerized by the action of _____. correct answer: ribonucleotides, primase Choose the best description of the leading and lagging strands. correct answer: The leading strand is synthesized continuously and the lagging strand is synthesized d...

DNA replication is semiconservative, which allows each of the 2 strands to serve as a template for the new strands - true Recall that the DNA polymerase must bind a double-stranded polymer before it can start making its own DNA polymer. What helps the DNA polymerase to overcome this problem in DNA replication? - RNA primers Several components of cigarette smoke, including benzopyrene, insert themselves into the DNA and lead to several types of mutations such as frameshift mutations, includ...

DNA replication is semiconservative, which allows each of the 2 strands to serve as a template for the new strands - true Recall that the DNA polymerase must bind a double-stranded polymer before it can start making its own DNA polymer. What helps the DNA polymerase to overcome this problem in DNA replication? - RNA primers Several components of cigarette smoke, including benzopyrene, insert themselves into the DNA and lead to several types of mutations such as frameshift mutations, includ...

EXAM 2Chapter 12 1. What are the two major conditions for genetic information being accurately copied every time a cell divides?1. it has to be extremely accurate.2. it has to take place at a high speed. 2. What were 3 models of DNA replication proposed and which one was confirmed valid?1. conservative replication model2. dispersive replication model3. semiconservative replication modelsemiconservative replication model was confirmed valid. . How Meselson and Stahl proved correct DNA replicat...