Bundled Bio 280 Exam Questions and Answers graded A

Microbiology - The study of living things unseen to the eye First Microscope (year and who) - Zacharias Jansen: 1590 Robert Hooke - 1. Biologist/environmentalist 2. British scientist Robert Hooke was the first to.. - describe "cells" and come up with word for description of sub-compartm...

Why should we care about microorganisms - They cause disease Microorganisms are ubiquitous Many are beneficial A typical gram of soil has______ - 10⁹ different kinds of bacteria The human body has more _____ cells than than ______ cells - bacterial, human Where are all these microorgani...

Neutral theory proposes that a. most molecular evolution is due to genetic drift rather than natural selection b. natural selection is not a major cause of phenotypic evolution c. most mutations are neutral with respect to selection d. the substitution rate is not related to the neutral mutation...

Great Chain of Being - species were arranged on a scale from lower to higher forms Linnean classification - A classification system that breaks down animals into seven levels, each level being a taxon taxa - nested hierarchy of groups taxonomy - the science of describing, naming, and classi...

Which novel human activity encouraged the early increase of malaria? - agriculture Genetic drift is the process responsible for: - Losing an existing allele due to random sampling The high incidence of migraine headaches in residents of Norfolk Island (who were moved there from Pitcairn Island...

How many chromosomes are found in prokaryotes? - one What is another place that can have DNA in prokaryotes? - plasmid Bacteria generally have a? - single large chromosome Super Coiled DNA is - DNA packed and coiled which is held together by proteins. It is not bounded by a membrane. Pla...

Describe the three levels of the bodies defenses specific/solicited? Where? - Level one: on surface -non specific, non-solicited Level two: beneath the surface -non-specific, semi-solicited Level three: systemic responses -specific, solicited What defenses contribute to the level one ...