MBIO 3400 Tice Exam 1: CH 1, 2, and 3
Questions & Answers (Grade A+)
who first observed microorganisms? -
correct answer ✅antoni van leeuwenhoek
what did leeuwenhoek call the microorganisms? -
correct answer ✅animalcules
who developed the classification and naming system for organisms?
-
correct answer ✅carolus linnaeus
bacteria and archaea -
correct answer ✅-small prokaryotic (no nucleus or organelles)
-found everywhere were there is good moisture
-reproduce asexually
(2) key differences between bacteria and archaea? -
correct answer ✅bacteria have peptidoglycan walls, archaea do
not, bacteria causes disease, archaea does not
what type of cells do fungi, protozoa, and algae have? -
correct answer ✅eukaryotic (have a nucleus)
,MBIO 3400 Tice Exam 1: CH 1, 2, and 3
Questions & Answers (Grade A+)
fungi -
correct answer ✅-eukaryotic
-obtain food from other organisms
-cell walls composed of chitin
how does yeast reproduce? -
correct answer ✅budding (asexually)
protozoa -
correct answer ✅-single-celled eukaryotes
-similar to animals in nutrient need and cell structure
-live freely in soil + water, in some animal + plant hosts
-mostly asexual, some sexual
how do protozoa move? -
correct answer ✅flagella, cilia, or pseudopods
algae -
correct answer ✅-uni or multicellular
-photosynthetic eukaryotes NOT on land plants
,MBIO 3400 Tice Exam 1: CH 1, 2, and 3
Questions & Answers (Grade A+)
-categorized by pigmentation and composition of cell wall
are viruses considered living cells? -
correct answer ✅hell naw
what are viruses made of? -
correct answer ✅genetic material surrounded by a protein coat
what is spontaneous generation? -
correct answer ✅life arising from nonliving matter
who originally supported spontaneous generation? -
correct answer ✅aristotle
what was redi's experiment? -
correct answer ✅-placed pieces of meat in two jars: one sealed
and one open to the air
-maggots found only in the jars that were open to air because that
was the only place where adult flies could reach the meat to lay
eggs
, MBIO 3400 Tice Exam 1: CH 1, 2, and 3
Questions & Answers (Grade A+)
what was the conclusion of redi's experiment? -
correct answer ✅disproved spontaneous generation, life cannot
arise from nonlife
what was needham's experiment? -
correct answer ✅-boiled beef gravy and plant infusions in vials
then sealed them with corks
-days later contained microbes
what was the conclusion of needham's experiment? -
correct answer ✅believe this demonstrated spontaneous
generation of microbes
what was wrong with needham's experiment? -
correct answer ✅failed to heat or seal the vials sufficiently
what was spallanzani's experiment? -
correct answer ✅repeated needham's but boiled them for longer
and sealed the vials tighter, spontaneous generation for
microorganisms does NOT occur
Questions & Answers (Grade A+)
who first observed microorganisms? -
correct answer ✅antoni van leeuwenhoek
what did leeuwenhoek call the microorganisms? -
correct answer ✅animalcules
who developed the classification and naming system for organisms?
-
correct answer ✅carolus linnaeus
bacteria and archaea -
correct answer ✅-small prokaryotic (no nucleus or organelles)
-found everywhere were there is good moisture
-reproduce asexually
(2) key differences between bacteria and archaea? -
correct answer ✅bacteria have peptidoglycan walls, archaea do
not, bacteria causes disease, archaea does not
what type of cells do fungi, protozoa, and algae have? -
correct answer ✅eukaryotic (have a nucleus)
,MBIO 3400 Tice Exam 1: CH 1, 2, and 3
Questions & Answers (Grade A+)
fungi -
correct answer ✅-eukaryotic
-obtain food from other organisms
-cell walls composed of chitin
how does yeast reproduce? -
correct answer ✅budding (asexually)
protozoa -
correct answer ✅-single-celled eukaryotes
-similar to animals in nutrient need and cell structure
-live freely in soil + water, in some animal + plant hosts
-mostly asexual, some sexual
how do protozoa move? -
correct answer ✅flagella, cilia, or pseudopods
algae -
correct answer ✅-uni or multicellular
-photosynthetic eukaryotes NOT on land plants
,MBIO 3400 Tice Exam 1: CH 1, 2, and 3
Questions & Answers (Grade A+)
-categorized by pigmentation and composition of cell wall
are viruses considered living cells? -
correct answer ✅hell naw
what are viruses made of? -
correct answer ✅genetic material surrounded by a protein coat
what is spontaneous generation? -
correct answer ✅life arising from nonliving matter
who originally supported spontaneous generation? -
correct answer ✅aristotle
what was redi's experiment? -
correct answer ✅-placed pieces of meat in two jars: one sealed
and one open to the air
-maggots found only in the jars that were open to air because that
was the only place where adult flies could reach the meat to lay
eggs
, MBIO 3400 Tice Exam 1: CH 1, 2, and 3
Questions & Answers (Grade A+)
what was the conclusion of redi's experiment? -
correct answer ✅disproved spontaneous generation, life cannot
arise from nonlife
what was needham's experiment? -
correct answer ✅-boiled beef gravy and plant infusions in vials
then sealed them with corks
-days later contained microbes
what was the conclusion of needham's experiment? -
correct answer ✅believe this demonstrated spontaneous
generation of microbes
what was wrong with needham's experiment? -
correct answer ✅failed to heat or seal the vials sufficiently
what was spallanzani's experiment? -
correct answer ✅repeated needham's but boiled them for longer
and sealed the vials tighter, spontaneous generation for
microorganisms does NOT occur
