Plasmids Study guides, Class notes & Summaries

All cells must have... - Answer--Nucleic acids that store and transmit info -Proteins that perform most of the cells functions -Carbs that provide chemical energy, carbon, support, identity -A plasma membrane which serves as a selectively permeable membrane barrier. Pro: Chromosome - Answer-Singular, circular chromosome that consists of large DNA molecules with a small number of proteins Pro: Nucleoid - Answer-location and structural organization of circular chromosome. Pro: Plasmids - An...

Microbiology Exam 1 Test Questions: 1. Scientific Method sequence involves? a. Observation, hypothesis, prediction, experimentation, theory, and law. 2. ________ is the study of fungi. a. Mycology 3. Pasteur was lucky when he tried to disprove spontaneous generation theory because… a. There were endospores in the meat broth. 4. ________ is one of the exceptions to Koch’s postulate. a. HIV 5. Robert Koch proved… a. Proved that bacteria can cause disease. 6. What was Alexander F...

bactericidal - ANSWER kills microbes (bateria) directly Where are antibiotic resistance genes typically located? - ANSWER On plasmids or transposons that can be transferred between bacteria Examples of misuse that can lead to antibiotic resistance - ANSWER -using outdated or weakened antibiotics -using antibiotics for the common cold and other inappropriate conditions -using antibiotics in animal feed -failing to complete the prescribes regimen -using someone's leftover prescription ...

Microbiology Exam 2 practice Tests 208 Questions with Verified Answers Which of the following statements is correct? A) For every amino acid, there is one codon. B) A codon may signify more than one amino acid. C) For every codon, there is one amino acid. D) All of these are correct. - CORRECT ANSWER For every Codon, there is one amino acid The sigma factor of RNA polymerase is necessary for A) maximum transcription of the gene. B) termination of the mRNA chain. C) elongation...

AMCB 2023 Test Questions with Correct Answers To verify DNA purity we have to: - Answer-Measure absorbance at 260 nm and 280 nm. The addition of proteinase K in the buffer ATL is to: - Answer-Disrupt the cell envelope to lyse cells. The genomic DNA that we extract from cells (of any kind) is polar and sticky. This property is useful for purification purposes. Which of the following surfaces is likely to be used, with good efficiency, to purify DNA. - Answer-A glass rod/bar To quantify ...

What is the total volume of reagent in mL? - 0.250mL or 250 microliters pGlo plasmids, when taken up by a bacteria, will code for - a green fluorescence protein GFP Genetic transformation occurs when a cell takes up and expresses a new piece or foreign ____________, often a circular plasmid. - DNA What are 3 real-world links for the study/use of genetic GFP? - study of biological processes, observation of cell movement, use of GFP as a visual marker To genetically transform an entire organ...

Molecular Basis of Disease Unit 4 Verified Questions And Answers A+ spread of diseases (4 types) - ANSWER-1. endemic- constant presence/and or visual prevalence of a disease or infectious agent in a population within a geographic area 2. sporadic- disease that occurs infrequently and irregularly 3. epidemic- an increase, often sudden, in # of cases of disease above what's expected in that population in that area (outbreak, but more limited in area) 4. pandemic- spread over several co...

MIP 300 Exam 3Replication - correct answer Flow of genetic information from one generation to the next through the process of identically copying and passing it on to the next generation Gene expression - correct answer The flow of genetic info within a cell to then create RNA and then followed by protein 3 components of a nucleotide - correct answer 1) Sugar (deoxy/ribose) 2) Nitrogenous bases (purines A and G, pyrimidines C, U, and T) 3) Phosphodiester covalent bond between 5' and 3'...

1. Question: Reverse transcription is directed by retroviruses utilizing; 2. Question: After the virus infects, it goes on to incorporate its RNA into the host cell DNA to become this. 3. Question: In this type of bacterial shape, it has the appearance of a comma. 4. Question: What are plasmids capable of? 5. Question: When is a genetic mutation suspected? 6. Question: The cell wall of a Gram positive bacteria was removed to result in the formation of a; 7. Question: What happens when a ba...

USABO Open Exam Questions And Revised Correct Answers Updated Which statement is true about enzymes? Enzymes A. Are made up of a base containing nitrogen, phosphate, and ribose. B. Have activity that is independent of temperature and pH. C. Lose some or all of their normal activity when their 3-D structure is disrupted. D. Provide the activation energy needed to activate a reaction. E. Work once only and then are destroyed. - ANSWER : C. Lose some or all of their normal activity ...