Biod 171 Portage Learning Final Exam

Microbiology is the study of - ANSWER--microbes and their biological processes microbes are - ANSWER--microorganisms and viruses smallest unit of biological life - ANSWER--cell Four main types of macromolecules - ANSWER--carbohydrates, lipids, proteins, nucleic acids What is a macromolecule? - ANSWER-- functions of a protein in cell - ANSWER--facilitate movement of materials in cell; act as enzyme to catalyze biochemical processes; provide structuretwo major types of nucleic acids - ANSWER--DNA and RNA DNA contains - ANSWER--hereditary information RNA - ANSWER--deciphers hereditary information in DNA and uses it to synthesize proteins plasma membrane is made from - ANSWER--lipids plasma membrane function - ANSWER--barrier of cell restricts what moves in and out of cell Carbohydrate is made of - ANSWER--carbon, hydrogen, oxygen prokaryotic cell - ANSWER--unicellular, no nucleus, dna in plasma; bacteria and archaeaEukaryotic cell - ANSWER--nucleus and membrane bound organelles bacteria morphologies - ANSWER--coccus, vibrio, bacillus, spirillum Coccus - ANSWER--round virbrio - ANSWER--curved rod Bacillus - ANSWER--rod Spirillum - ANSWER--spiral Archaea - ANSWER--survive harsh conditions four main classifications of Eukarya - ANSWER--Animalia, Plantae, Fungi, Protista viruses can not be classified as Eukaryotic or prokaryotic because- ANSWER--they need a host (can not live and replicate with out host) lipid bilayer of plasma