Meselson and stahl Study guides, Class notes & Summaries

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 - CORRECT ANSWER-(c) template DNA replication is considered semiconservative because - CORRECT ANSWER-(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 copied from a DNA template The classic experiments conducted by Meselson and Stahl demons...

35. A particular genotype always produces the same phenotype. Answer: False Difficulty: Moderate ASM Standard: N/A 36. Prokaryotes usually have a single origin of replication, whereas eukaryotes usually have multiple origins of replication. Answer: True Difficulty: Easy ASM Standard: 16 37. Archaea, Bacteria, and Eukarya use different DNA polymerases. Answer: True Difficulty: Moderate ASM Standard: 16 38. RNA primases require a free 3′-OH group to add nucleotides to a growing stran...

QBM All of the Practice Exams Questions And Answers With Complete Solutions 2024 d. protein as a cartoon model, DNA as a ball-and stick model. The image below shows a. protein as a ball-and-stick model, DNA as a molecular surface representation. b. DNA as a ball-and-stick model, protein as a molecular surface representation. c. both as ball-and-stick models. d. protein as a cartoon model, DNA as a ball-and stick model. e. both as cartoon models. b. DNA is responsible for bacterial trans...

QBM Final Exam Questions And Answers With Complete Solutions 2024 Define recombinant DNA technology Using molecular biology technique such as cloning, PCR, restriction enzymes digestion, and gel electrophoresis to take a gene from one source and joint it with another piece of DNA, creating a new recombinant DNA molecule that can be inserted in bacteria and further studied. What are 3 characteristics of DNA ? - Double strand - 5' to 3' directionality - antiparallel - base pairing [ad...

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. (a) catalyst (b) competitor (c) template (d) copy - CORRECT ANSWER-(c) template DNA replication is considered semiconservative because __________________________________. (a) after many rounds of DNA replication, the original DNA double helix is still intact. (b) each daughter DNA molecule consists of two new strands copied form 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...

People to Know - AP Biology Exam Questions and Answers Gregor Mendel Monk who grew up in Austria, experimented with garden peas in 1857 to study inheritance, documented "particulate mechanism", came up with laws of independent assortment and segregation. Thomas Hunt Morgan Came up with first solid evidence associating a specific gene with a specific chromosome by working with various varieties of Drosophila; invented notation for symbolizing alleles; discovered sex-linked trait of whit...

Genetics Module 2 Exam With Questions and Answers 100% Solved What are the four nucleotides that make up RNA? - answerAdenine, Guanine, Cytosine, Uracil What three general characteristics must the genetic material possess? - answerGenetic material must: 1. Contain complex information 2. Replicate faithfully 3. Encode the phenotype A segment of DNA from Drosophila melanogaster has the sequence: 5' TCA AGC TTA AGA AGG CAT TTT 3' (i) Assuming that this is the template strand, what is t...

BIO120:201 FOUNDATIONS OF BIOLOGY: CELL AND MOLECULAR BIOLOGY PRACTICE QUESTIONS FOR EXAM N° 3 FALL 2022 DNA Replication, Repair and Recombination 1. If the genome of the bacterium Escherichia coli requires about 20 minutes to replicate itself, how can the genome of the fruit fly Drosophila be replicated in only 3 minutes? a) The Drosophila genome is smaller than the E. coli genome. b) Eukaryotic DNA polymerase synthesizes DNA at a much faster rate than prokaryotic DNA polymerase. c) T...

Two sources of variability that arises during meiosis and fertilizations - 1. Crossing over 2. Independent Assortment Crossing Over - homologous chromosomes pair... each sister chromatid consists of a single stranded DNA molecule What is the result of the crossing over between homologous chromatids? - The exchange of segments Where do the homologous chromosomes separate? - First meiotic division What is produced after meiosis II - two daughter chromosomes have parental combinations of al...