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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...

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...

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...

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...

ccm-bio 1-exam 2 Question and answer already solved 2023 peripheral proteins loosely bound appendages to membrane Integral Proteins - penetrate the hydrophobic interior - some are transmembrane proteins lysis of the cell swelling and possible tearing from a gain in water Cell theory states - All living things are made up of cells - cells are the basic (smallest) units of life - new cells are produced from pre existing cells why are cells small surface area t...

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...

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...

Bio Beyond: Genetic Replication Exam Questions And Answers - ANS Which bases pair in DNA? In the simulation below, build the strand that is complementary to the one shown. In this case, you are not replicating the strand but completing it. - ANS Thymine Adenine Guanine Cytosine Cytosine Thymine Thymine Adenine Guanine Thymine To continue, click on the image that you think best represents how DNA normally looks in the cell. - ANS First image Looking at the image...

AP Biology Unit 6 Test Verified Solutions What enhances the expression of a gene? ️the attachment of RNA polymerase to DNA Describe what happens when the lactose operon is turned on and transcribing. ️Allolactose or lactose binds to and changes the shape of the repressor. Genes A,B,C, and D are located on the same chromosome. Testcrosses show that the recombination frequency between A and B is 36% and between A and C is 23%. The recombination frequency between C and D is 5% and b...

QBM Exam 1 Questions And Answers With Complete Solutions 2024 Which of the following refers to manipulating a piece of DNA and putting it into a plasmid for the purposes of gene studies, protein expression, and gene therapy? - answerRecombinant DNA technology What type of bond is found in a protein that connects individual amino acids? - answerpeptide Employers must inform employees and train them in the safe handling of potentially harmful chemicals. This is required by - answerOSHA Re...