BIOLOGY 152 UWM EXAM 1 WITH
CORRECT ANSWERS 2025
Life was ____________ until cyanobacteria evolved oxygen
correct answers >> anaerobic
Oxygen allows more ________ generation correct answers >>
ATP
What does more oxygen generation lead to? correct answers
>> More complex life forms
What is the majority of life? correct answers >> Microbial
(bacteria and archaea)
Eukaryotes have what that prokaryotes lack? correct answers
>> nucleus and organelles
Where did eukaryotes evolve from? correct answers >>
bacteria (prokaryotes)
What is endosymbiosis? correct answers >> When a cell
engulfs another cell, taking on its traits
Bacteria are ? correct answers >> unicellular
, True or false: Although bacteria are unicellular, they can show
development and social interactions. correct answers >>
True
What kinds of plants are bacteria used to generate? correct
answers >> transgenic
What are bacteria utilized for? correct answers >>
bioremediation
What organisms show potential for sustainable agriculture by
reducing chemical fertilizers? correct answers >> Bacteria
and fungi
What are the three domains of life? correct answers >>
Bacteria, Archaea, Eukarya
How do bacteria and archaea divide? correct answers >>
binary fission (asexually)
True or false: bacteria can only be one shape. correct answers
>> False
True or false: Bacterial cell wall-peptidoglycan is unique to
bacteria ONLY correct answers >> True
What does peptidoglycan do? correct answers >> provides
cell wall strength and shape
CORRECT ANSWERS 2025
Life was ____________ until cyanobacteria evolved oxygen
correct answers >> anaerobic
Oxygen allows more ________ generation correct answers >>
ATP
What does more oxygen generation lead to? correct answers
>> More complex life forms
What is the majority of life? correct answers >> Microbial
(bacteria and archaea)
Eukaryotes have what that prokaryotes lack? correct answers
>> nucleus and organelles
Where did eukaryotes evolve from? correct answers >>
bacteria (prokaryotes)
What is endosymbiosis? correct answers >> When a cell
engulfs another cell, taking on its traits
Bacteria are ? correct answers >> unicellular
, True or false: Although bacteria are unicellular, they can show
development and social interactions. correct answers >>
True
What kinds of plants are bacteria used to generate? correct
answers >> transgenic
What are bacteria utilized for? correct answers >>
bioremediation
What organisms show potential for sustainable agriculture by
reducing chemical fertilizers? correct answers >> Bacteria
and fungi
What are the three domains of life? correct answers >>
Bacteria, Archaea, Eukarya
How do bacteria and archaea divide? correct answers >>
binary fission (asexually)
True or false: bacteria can only be one shape. correct answers
>> False
True or false: Bacterial cell wall-peptidoglycan is unique to
bacteria ONLY correct answers >> True
What does peptidoglycan do? correct answers >> provides
cell wall strength and shape
