Module 1 Portage Exam Latest Update (2023/2024) Already Passed

Module 1 Portage Exam Latest Update (2023/2024) Already Passed what is microbiology the study of microbes (microorganisms and viruses) and their biological processes what is the smallest biological unit of life cell what is a macromolecule a complex molecule that is composed from smaller subunits what are the four main types of macromolecules Proteins, nucleic acids, lipids and polysaccharides what various functions do proteins have in the cell -facilitate the movement of materials in or out of a cell -act as enzymes that catalyze, or speed up, biochemical processes -play a structural role - enable movement two major types of nucleic acids DNA and RNA what is the role of DNA contains a vast amount of hereditary information and is responsible for the inheritable characteristics of living organisms what is the role of RNA is responsible for deciphering the hereditary information in DNA and using it to synthesize proteins. what are nucleic acids chemical molecules that carry genetic information within the cell what is the plasma membrane composed of composed of lipids (hydrophobic hydrocarbons) what is the function of the plasma membrane a surrounding barrier that separates the inside of the cell from the outside surrounding environment - restricts the movement of materials either in/out of the cell what is influx (plasma membrane) allowing a cells to absorb and keep what is needed what is outflux (plasma membrane) preventing the escape of essential nutrients what are the three main components of polysaccharides carbon, hydrogen, oxygen atoms What is the primary difference between prokaryotic and eukaryotic cells? eukaryotic cells have a nucleus prokaryotic cells do not have a nucleus What are the main morphologies of bacteria? coccus, bacillus , vibrio, spirillum Describe bacteria coccus shape (round/spherical) describe bacteria bacillus shape (rod) describe bacteria vibrio shape (curved rod) describe bacteria