Mcb 3020 exam study guide - Study guides, Class notes & Summaries

study guide Q: by what mechanisms does horizontal gene transfer occur? - Answer-occurs via three mechanisms-conjugation, transformation, and transduction-evolved by bacteria to create recombinants what do these mechanisms depend on? - Answer-a recombination t/f: genes can only be transferred to a the species with horizontal gene transfer - Answer-false; different species as well study guide Q:define bacterial conjugation - Answer-a direct contact between cells via a connection that resu...

Definition of a cell - Answer-the smallest structural and functional unit of an organism Hallmarks of a Cell - Answer-Cell membrane, Genetic material, Self-replication, Regulation, Similar macromolecules, Energy use What is the status of Prions, virions, and viruses - Answer-Non-living, acellular, do not share the hallmarks of cells. List effect of microbe on ecosystem - Answer-Ecosystems would not be sustainable without the existence of Microbes List extreme conditions at which micr...

Biotechnology - Answer-Use of living organisms to create products that are useful to humans Genetic Engineering - Answer-Deliberate modification of an organisms genome sequence Recombinant DNA Technology - Answer-Set of procedures used to combine genetic material from multiple sources and create DNA sequences that are otherwise not found in biological organisms Cloning - Answer-Generation of a larger number of identical DNA molecules from a single DNA molecule 5 Basic Steps of Clonin...

What is the most common mechanism for bacterial cell division? - Answer-Binary fission List the 4 steps of Binary Fission - Answer-1. Elongation of cell 2. Replication of chromosome 3. Separation of chromosomes into 2 parts of cell 4. Formation of septum in middle Define 'Origin of Replication' - Answer-Where replication begins How many origins of replication do bacterial chromosomes have? - Answer-1 What is cytokinesis? Include brief overview of its four steps. - Answer-Div...

MCB 3020 Exam TWO Study guide List the laws of thermodynamic and describe their relevance in the chemical reactions - Answer- Energy can not be created/destroyed. Total universal energy is constant. Energy may be redistributed. Entropy - requires energy to put molecules together. Define the standard reduction potential. - Answer- Equilibrium constant for an oxidation-reduction reaction. Measures the tendency of the reducing agent to lose electrons. Why does aerobic growth generate the...

Exam 1 MCB 3020 Study Guide questions and answers A+ score assured 2024/2025

1. What is the role of microbes in maintaining temperature on earth. (Role of microbes in CO2 and CH4 recycling). 2. List the top three cause of death in the US. How has the role of microbes changed over the last 100 years? 3. List the major contributions (people) to the science of microbiology. 4. List and explain the impact of microbes on the environment. 5. Define cell, microbe, and list hallmarks of cell. What is the status of Prions, virions, and viruses? 6. List extreme conditions at which...