why are bacterial genomes not nearly as tightly compared as eukaryotic chromosomes during both normal growth and cell replication
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why are bacterial genomes not nearly as tightly compared as eukaryotic chromosomes during both normal growth...
Part A Which of the following characteristics do bacterial chromosomes share with eukaryotic chromosomes? Both are composed of single-stranded DNA circular DNA linear RNA double-stranded DNA single-stranded RNA Submit Request Answer Provide Feedback
18. Describe one reason why the cell might want chromatin to be more tightly packaged during M phase compared to the other phases of the cell cycle?
In Experiment 1, why is exposure to UV radiation an effective method of controlling bacterial growth? A. It damages DNA, inhibiting transcription and replication. B. It causes the cell membrane to rupture. C. It creates ions that damage biomolecules. D. It raises the temperature, killing temperature sensitive bacteria.
5A. (6pts) Please describe how microtubule dynamics play a role both in the assembly of the mitotic spindle during metaphase and the segregation of chromosomes during anaphase. B. (6pts) Nocodazole is a microtubule depolymerizing drug, and is often used to synchronize populations of cells so that they are in the same point in the cell cycle. Please describe how the molecular effect of nocodazole leads to cell synchronization. B. (6pts) You isolate mutant cells defective in the DNA-damage checkpoint, but...
Chapters 7, 8, 9 - Bacterial Growth & Metabolism (some chapter sections will be covered in lab) Prerequisite: Basic catabolic pathways (respiration and fermentation) and anabolic reactions (photosynthesis) BACTERIAL GROWTH AND CONTROL- Some of these topics will be covered in greater detail during lab Environmental Growth Factors 1. Discuss the specific role of quorum sensing in biofilm formation Control of Microbial Growth 2. Describe the methods used to control microbial growth 3. List the types of antibiotics that inhibit (a)...
The purpose of interphase of a cell cycle is: A to divide itself in half in order to facilitate growth and/or reproduction B to produce gametes C the 'living' phase of the cell, in which the cell obtains nutrients, grows, reads its DNA, and conducts other "normal" cell functions D to facilitate repairs from viruses and bacteria The purpose of the mitotic phase of a cell cycle is: A to divide itself in half in order to facilitate growth and/or...
and Lab Exer n this experiment you will evaluate effect of UV light on bacterial growth. UV light affects growth by interfering with DNA, resulting in thymine dimer formation. The dimerization is confined within adjacent thymine residues on same strand (intrastrand ). These dimmer lesions have consequence on DNA functions including interference in DNA replication, transcription etc, so UV exposure of cells can lead to lethal effects for bacterial multiplications. This forms the basis for UV method to control bacterial...
Unit 3 Study Resource Meiosis • Process by which diploid cells create haploid cells NOT part of the cell cycle > only some cells ever undergo meiosis During meiosis I, homologous chromosomes line up to allow them to be separated into two new cells o They can become "tangled" during this phase, which leads to crossing-over (rearranging the alleles) O Result of meiosis I is two non-identical haploid cells Meiosis Il looks very similar to mitosis, in that sister chromatids...
25. Mendel's factors undergo segregation and independent assortment. How is this illustrated in the chromosomes during Meiosis I? 26. Explain how these inheritance patterns are considered non-Mendelian. Incomplete Dominance . Multiple Alleles • Codominance X-linked Linkage . Pedigrees - Genetic Disorders 27. What is non-disjunction and how does it affect the chromosome distribution during meiosis? 28. What is a karyotype and what does it allow you to do? 29. Fill in the circles and squares to illustrate the following inheritance...
Why is the genetic code described both as degenerate and unambiguous? The original enzyme used in PCR reaction is/are known as? A dna codon consist of ? What are the three basic steps of conventional PCR? A 20 uear old male with anaemia is found to have an abnormal form of beta globin that is 172 amino acid long, rather thean the 144 found in the normal protein, which of the following point mutation is consistent with this abnormality? CGAaUGA...