Module 1 Portage Exam Questions With 100 % Correct Answers | Guaranteed Success

Module 1 Portage Exam Questions With 100 % Correct Answers | Guaranteed Success what is microbiology - answer-the study of microbes (microorganisms and viruses) and their biological processes what is the smallest biological unit of life - answer-cell what is a macromolecule - answer-a complex molecule that is composed from smaller subunits what are the four main types of macromolecules - answer-Proteins, nucleic acids, lipids and polysaccharides what various functions do proteins have in the cell - answer--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 - answer-DNA and RNA what is the role of DNA - answer-contains a vast amount of hereditary information and is responsible for the inheritable characteristics of living organismswhat is the role of RNA - answer-is responsible for deciphering the hereditary information in DNA and using it to synthesize proteins. what are nucleic acids - answer-chemical molecules that carry genetic information within the cell what is the plasma membrane composed of - answer-composed of lipids (hydrophobic hydrocarbons) what is the function of the plasma membrane - answer-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) - answer-allowing a cells to absorb and keep what is needed what is outflux (plasma membrane) - answer-preventing the escape of essential nutrients what are the three main components of polysaccharides - answer-carbon, hydrogen, oxygen atoms What is the primary difference between prokaryotic and eukaryotic cells? - answer-eukaryotic cells have a nucleus prokaryotic cells do not have a nucleus What are the main morphologies of bacteria? - answer-coccus, bacillus , vibrio, spirillum Describe bacteria coccus shape - answer-(round/spherical) describe bacteria bacillus shape - answer-(rod) describe bacteria vibrio shape - answer-(curved rod)describe bacteria spirillum shape - answer-(spiral/corkscrew) Which group (classification) of bacteria is noted for its ability to survive under harsh conditions? - answer-archaea What are the 4 main classifications of Eukarya? - answer-Animalia, Plantae, Fungi or Protista Can viruses be classified as either prokaryotic or eukaryotic? - answer-no- not considered living + can only replicate within a host