Biology 1201A Study Guide - Midterm Guide: Aneuploidy, Falsifiability, Biogeography
7 Dec 2017
School
Department
Course
Professor
Document Summary
Cells (basic & functional units of all organisms); carry out essential processes of life. Respond to change in external environment by changing internal reactions. All life is descended from a common ancestor. Refers to not a single group of organisms but rather one lacking a nucleus. Within the cell, the dna-containing central region of cell, the nucleoid, has no boundary membrane separating it from cytoplasm (characteristic of both bacteria and archaea) Prokaryotic organisms most familiar to us, including those responsible for disease. Most microbes are harmless or beneficial (generally good for you) Ferment foods, digest foods, protect from infection, produce vitamins. Some can be bad though and cause diseases such as: malaria, Some can be bad though and cause diseases such as: malaria, pneumonia etc . Infectious diseases are caused by microorganisms being transferred. 50-90% of cells in human body are microbial. 2 types of microbes in lungs could trigger ms, gut microbes can make you feel hungry.
