1/ 3 SETS WITH COMPLETE SOLUTION RATED A+ NEW
EDITION 100% VERIFIED CORRECT
Unlike the term microorganism, the term microbe also includes - Ans viruses
Unlike newspapers or blog ar cles, communica ons about scien fic discoveries in respected
scien fic journals include - Ans a pre-publica on review process; informa on about the
methods used in the experiment
Organisms that populate the human body and protect it from disease are called - Ans normal
flora
In the name E. coli K12, the part a)er the species is the ________________ designa on - Ans
strain
Characteris cs of Archaea that are similar to bacteria include - Ans energy sources used,
mul plica on method, prokaryo c cell structure; shapes
What disease killed one-third of the popula on of Europe in the 14th century - Ans Bubonic
Plague
What is a viroid - Ans a single short piece of RNA that can infect plants
What are the microscopic filaments of molds - Ans hyphae
,What is an example of a single celled fungus - Ans yeast
What type of diseases are due to organisms "jumping" from a natural animal host to using
humans as a host - Ans emerging
A bacterium that has a cylindrical shape is called - Ans rod or bacillus
A bacterium that has a spherical shape is called - Ans coccus
The cell wall is apart of a bacterium's - Ans cell envelope
Unlike a stained specimen, living moving organisms can be observed using a
________________ - Ans wet mount
Modern day bacterial endosymbionts in eukaryotes have similari es to
______________________ - Ans chloroplasts and mitochondria
The two most common examples of endospore forming genera are - Ans Clostridium and
Bacillus
Immersion oil must be used for viewing a specimen with which lens? - Ans 100x
What is a vibrio - Ans a short, curved rod
What is a spirillum - Ans a curved rod long enough to form spirals
, What is a spirochete - Ans a long spiral-shpaed cell with a flexible cell wall and a unique
mechanism of mo lity
True or False: eukaryo c flagella and cilia are covered by extensions of the cytoplasmic
membrane - Ans TRUE
What two macromolecules make up the major components of cell membranes - Ans lipids and
proteins
What are the func ons of proteins embedded in the cytoplasmic membrane - Ans 1) allowing
nutrients to enter and waste products to exit the cell
2) catalyzing chemical reac ons that are essen al to the cell
3) providing the cell with a mechanism to monitor and adjust to its surroundings
What determines the strength of the bacterial cell wall - Ans the layer of pep doglycan
Mul photon microscopes can be used to - Ans 1) obtain interior views of rela vely thick
structures
2) view live cells
The lipid bilayer of the cytoplasmic membrane is composed of ____________ and
_____________ - Ans phospholipids and proteins
What is a plasmid - Ans a circular DNA molecule that is smaller than the chromosome and
encodes non-essen al characteris cs that can be advantageous to a cell in certain situa ons
Between confocal and mul photon microscopy, which type is less damaging to cells - Ans
Mul photon microscopy