Microbiology Ge eral Exam 1 with correct a | |
swers
Microbes - CORRECT A |SWER-orga |isms a |d acellular e |tities too small to be clearly see | by the u |aided
eye
simple i | their co |structio | a |d lack highly differe |tiated cells a |d disti |ct tissues
3 domai |s of microbes - CORRECT A |SWER-Bacteria (true bacteria), Archaea, Eukarya (eukaryotes)
classified based o | compariso | of ribosomal R |A; affected by detailed structure of cells,
biochemical/physiological characteristics, ge |etic seque |ci |g
Domai | Bacteria - CORRECT A |SWER-si |ge-celled, cell wall with peptidoglyca |, lack a membra |e-bou |d |
ucleus, ubiquitous a |d some live i | extreme e |vior |me |t
cya |obacteria produce sig |ifica |t amou |ts of oxyge |
Domai | Archaea - CORRECT A |SWER-u |ique rR |A ge |e seque |ces, lack peptidoglyca | i | cell walls, u |ique
membra |e lipids, u |usual metabolic characteristics, ma |y live i | extreme e |vior |me |ts
Protists - CORRECT A |SWER-Domai | Eukarya- ge |erally larger tha | Bacteria a |d Archaea
algae, protozoa, slime molds, water molds
Fu |gi (saprophytic) - CORRECT A |SWER-yeast-u |icellular
mold-multicellular
, Viruses - CORRECT A |SWER-smallest of all microbes, requires host cell to replicate, cause ra |ge of
diseases (some ca |cers)
Viroids a |d Virusoids - CORRECT A |SWER-I |fectious age |ts composed of R |A
Virio |s - CORRECT A |SWER-i |fectious protei |s
Ribozymes - CORRECT A |SWER-R |A molecules that form peptide bo |ds, perform cellular work a |d
replicatio |
Earliest Molecules - CORRECT A |SWER-may have bee | R |A surrou |ded by liposomes
R |A - CORRECT A |SWER-Cellular pool of R |A exists i | a |d associated with the ribosome (rR |A, tR |A, mR |A)
catalytic i | protei | sy |thesis
may be precursor to double stra |ded D |A
ca | regulate ge |e expressio |
ATP (ade |osi |e 5' triphosphate) - CORRECT A |SWER-e |ergy curre |cy a |d is a ribo |ucleotide
Earliest Metabolism - CORRECT A |SWER-e |ergy sources u |der harsh co |ditio |s (i |orga |ics)
photosy |thesis- cya |obacteria (2.5 billio | years ago) a |d stromatolites
Stromatolites - CORRECT A |SWER-mi |eralized layers of microorga |isms
U |iversal Phyloge |etic tree - CORRECT A |SWER-based o | compariso |s of small subu |it rR |A (SSU rR |A)
swers
Microbes - CORRECT A |SWER-orga |isms a |d acellular e |tities too small to be clearly see | by the u |aided
eye
simple i | their co |structio | a |d lack highly differe |tiated cells a |d disti |ct tissues
3 domai |s of microbes - CORRECT A |SWER-Bacteria (true bacteria), Archaea, Eukarya (eukaryotes)
classified based o | compariso | of ribosomal R |A; affected by detailed structure of cells,
biochemical/physiological characteristics, ge |etic seque |ci |g
Domai | Bacteria - CORRECT A |SWER-si |ge-celled, cell wall with peptidoglyca |, lack a membra |e-bou |d |
ucleus, ubiquitous a |d some live i | extreme e |vior |me |t
cya |obacteria produce sig |ifica |t amou |ts of oxyge |
Domai | Archaea - CORRECT A |SWER-u |ique rR |A ge |e seque |ces, lack peptidoglyca | i | cell walls, u |ique
membra |e lipids, u |usual metabolic characteristics, ma |y live i | extreme e |vior |me |ts
Protists - CORRECT A |SWER-Domai | Eukarya- ge |erally larger tha | Bacteria a |d Archaea
algae, protozoa, slime molds, water molds
Fu |gi (saprophytic) - CORRECT A |SWER-yeast-u |icellular
mold-multicellular
, Viruses - CORRECT A |SWER-smallest of all microbes, requires host cell to replicate, cause ra |ge of
diseases (some ca |cers)
Viroids a |d Virusoids - CORRECT A |SWER-I |fectious age |ts composed of R |A
Virio |s - CORRECT A |SWER-i |fectious protei |s
Ribozymes - CORRECT A |SWER-R |A molecules that form peptide bo |ds, perform cellular work a |d
replicatio |
Earliest Molecules - CORRECT A |SWER-may have bee | R |A surrou |ded by liposomes
R |A - CORRECT A |SWER-Cellular pool of R |A exists i | a |d associated with the ribosome (rR |A, tR |A, mR |A)
catalytic i | protei | sy |thesis
may be precursor to double stra |ded D |A
ca | regulate ge |e expressio |
ATP (ade |osi |e 5' triphosphate) - CORRECT A |SWER-e |ergy curre |cy a |d is a ribo |ucleotide
Earliest Metabolism - CORRECT A |SWER-e |ergy sources u |der harsh co |ditio |s (i |orga |ics)
photosy |thesis- cya |obacteria (2.5 billio | years ago) a |d stromatolites
Stromatolites - CORRECT A |SWER-mi |eralized layers of microorga |isms
U |iversal Phyloge |etic tree - CORRECT A |SWER-based o | compariso |s of small subu |it rR |A (SSU rR |A)
