Bio 109 Unit 1 2024/2025 Exam
Questions with 100% Correct Answers |
Latest Update
Cocci - 🧠ANSWER ✔✔spherical bacteria
Bacilli - 🧠ANSWER ✔✔rod shaped bacteria
spirochetes - 🧠ANSWER ✔✔spiral shaped bacteria
gram positive - 🧠ANSWER ✔✔thick peptidoglycan layer
gram negative - 🧠ANSWER ✔✔thin layer of peptidoglycan, outer
membrane of lipids
capsule - 🧠ANSWER ✔✔part of a bacterium that allows easy attachment to
things
fimbriae - 🧠ANSWER ✔✔little tube like projections that allow bacteria to
stick to each other
endospores - 🧠ANSWER ✔✔A thick-walled protective spore that forms
inside a bacterial cell and resists harsh conditions.
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STATEMENT. ALL RIGHTS RESERVED
,pili - 🧠ANSWER ✔✔pulls cells together before conjugation
taxis - 🧠ANSWER ✔✔Movement toward or away from a stimulus.
chemotaxis - 🧠ANSWER ✔✔Cell movement that occurs in response to
chemical stimulus
phototaxis - 🧠ANSWER ✔✔movement in response to light
positive taxis - 🧠ANSWER ✔✔move toward
negative taxis - 🧠ANSWER ✔✔move away
flagella - 🧠ANSWER ✔✔allow cell to move, seen in prokaryotes and
eukaryotes, rotate by proton-gradient force
plasmids - 🧠ANSWER ✔✔separate circular DNA pieces isolated from main
chromosome, usually contain genes to conjugate
transformation - 🧠ANSWER ✔✔bacteria uptake foreign dna in environment
transduction - 🧠ANSWER ✔✔phage transfer dna from one bacterium to
another
conjugation - 🧠ANSWER ✔✔bacteria touch tips and exchange plasmids or
parts of their chromosome
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STATEMENT. ALL RIGHTS RESERVED
, f factor - 🧠ANSWER ✔✔gene required to build pilus bridge
autotroph - 🧠ANSWER ✔✔turns inorganic compounds organic
heterotroph - 🧠ANSWER ✔✔steals other organic compounds
nitrogen fixation - 🧠ANSWER ✔✔turn N2 into usable form
no - 🧠ANSWER ✔✔is peptidoglycan present in archaea?
several - 🧠ANSWER ✔✔how many kinds of RNA polymerase are in
archae?
yes - 🧠ANSWER ✔✔do archaea have circular chromosomes?
methanogens - 🧠ANSWER ✔✔use CO2 to oxidize H2 to produce methane,
anaerobes
commensalism - 🧠ANSWER ✔✔one organism benefits, one is unaffected
feeding groove, reduced mitochondria - 🧠ANSWER ✔✔what are the 2
characteristics of excavata?
giardia, trichomonas, trypanosoma - 🧠ANSWER ✔✔list some example
excavates
eyespot - 🧠ANSWER ✔✔unique feature of euglenids
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
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STATEMENT. ALL RIGHTS RESERVED
Questions with 100% Correct Answers |
Latest Update
Cocci - 🧠ANSWER ✔✔spherical bacteria
Bacilli - 🧠ANSWER ✔✔rod shaped bacteria
spirochetes - 🧠ANSWER ✔✔spiral shaped bacteria
gram positive - 🧠ANSWER ✔✔thick peptidoglycan layer
gram negative - 🧠ANSWER ✔✔thin layer of peptidoglycan, outer
membrane of lipids
capsule - 🧠ANSWER ✔✔part of a bacterium that allows easy attachment to
things
fimbriae - 🧠ANSWER ✔✔little tube like projections that allow bacteria to
stick to each other
endospores - 🧠ANSWER ✔✔A thick-walled protective spore that forms
inside a bacterial cell and resists harsh conditions.
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
1
STATEMENT. ALL RIGHTS RESERVED
,pili - 🧠ANSWER ✔✔pulls cells together before conjugation
taxis - 🧠ANSWER ✔✔Movement toward or away from a stimulus.
chemotaxis - 🧠ANSWER ✔✔Cell movement that occurs in response to
chemical stimulus
phototaxis - 🧠ANSWER ✔✔movement in response to light
positive taxis - 🧠ANSWER ✔✔move toward
negative taxis - 🧠ANSWER ✔✔move away
flagella - 🧠ANSWER ✔✔allow cell to move, seen in prokaryotes and
eukaryotes, rotate by proton-gradient force
plasmids - 🧠ANSWER ✔✔separate circular DNA pieces isolated from main
chromosome, usually contain genes to conjugate
transformation - 🧠ANSWER ✔✔bacteria uptake foreign dna in environment
transduction - 🧠ANSWER ✔✔phage transfer dna from one bacterium to
another
conjugation - 🧠ANSWER ✔✔bacteria touch tips and exchange plasmids or
parts of their chromosome
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
2
STATEMENT. ALL RIGHTS RESERVED
, f factor - 🧠ANSWER ✔✔gene required to build pilus bridge
autotroph - 🧠ANSWER ✔✔turns inorganic compounds organic
heterotroph - 🧠ANSWER ✔✔steals other organic compounds
nitrogen fixation - 🧠ANSWER ✔✔turn N2 into usable form
no - 🧠ANSWER ✔✔is peptidoglycan present in archaea?
several - 🧠ANSWER ✔✔how many kinds of RNA polymerase are in
archae?
yes - 🧠ANSWER ✔✔do archaea have circular chromosomes?
methanogens - 🧠ANSWER ✔✔use CO2 to oxidize H2 to produce methane,
anaerobes
commensalism - 🧠ANSWER ✔✔one organism benefits, one is unaffected
feeding groove, reduced mitochondria - 🧠ANSWER ✔✔what are the 2
characteristics of excavata?
giardia, trichomonas, trypanosoma - 🧠ANSWER ✔✔list some example
excavates
eyespot - 🧠ANSWER ✔✔unique feature of euglenids
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
3
STATEMENT. ALL RIGHTS RESERVED
