BIO 210 EXAM 1 LECTURE WITH
COMPLETE SOLUTIONS
what is a microorganism? what are some examples? - ANSWER-microorganism-
organisms that are too small to be seen with the unaided eye
examples- bacteria, archaea, fungi
define pathogenic - ANSWER-the term used to describe a disease-causing
microorganism
who developed the formal system for classifying and naming organisms? - ANSWER-
carolus Linnaeus
each organism has two names, the first name is the ______ and the second name is
the _____. - ANSWER-genus, species
how are the names of organisms written? - ANSWER-genus is 1st and capitalized,
species is 2nd and lowercase
written in italics if typed or underlined if handwritten
main characteristics of bacteria - ANSWER--prokaryotic
-peptidoglycan cell wall
-hetero or autotroph
-unicellular
-asexual
main characteristics of archaea - ANSWER--prokaryotic
-pseudomurin cell wall
-heterotroph
-unicellular
-asexual
main characteristics of fungi - ANSWER--eukaryotic
-chitin cell wall
-heterotroph
-unicellular (yeast) or multicellular (mold/mushrooms)
-asexual or sexual
main characteristics of protozoan - ANSWER--eukaryotic
-lacks cell wall
-usually heterotroph
, -unicellular
-asexual or sexual
main characteristics of algae - ANSWER--eukaryotic
-cellulose cell wall
-autotroph
-unicellular or multicellular
-asexual or sexual
main characteristics of helminth - ANSWER--eukaryotic
-lacks cell wall
-heterotroph
-multicellular
-asexual or sexual
why are viruses considered to be non-living? - ANSWER-they are acellular (not made
up of living cells)
what are helminths? - ANSWER-flat worms and round worms
carl woese proposed that organisms may be classified into one of three different
domains by analysis of their _____. - ANSWER-rRNA
what are the three domains proposed by carl woese? - ANSWER-bacteria, archaea,
eukarya
who was the first to report that living things were composed of little boxes of cells from
looking at cork? - ANSWER-Robert Hooke
who was the first to look at living microorganisms with a microscope? - ANSWER-Anton
van Leeuwenhoek
define spontaneous generation - ANSWER-living organisms arise from nonliving matter
define biogenesis - ANSWER-living organisms arise from preexisting life
describe the experiment performed by Redi - ANSWER--maggots don't arise from
decaying meat
-biogenesis
-a sealed jar with decaying meat produced no maggots
-an unsealed jar with decaying meat produced maggots
describe the experiment performed by Needham - ANSWER--boiled nutrient broth and
then covered the flasks after
-spontaneous regeneration
-bacteria grew
COMPLETE SOLUTIONS
what is a microorganism? what are some examples? - ANSWER-microorganism-
organisms that are too small to be seen with the unaided eye
examples- bacteria, archaea, fungi
define pathogenic - ANSWER-the term used to describe a disease-causing
microorganism
who developed the formal system for classifying and naming organisms? - ANSWER-
carolus Linnaeus
each organism has two names, the first name is the ______ and the second name is
the _____. - ANSWER-genus, species
how are the names of organisms written? - ANSWER-genus is 1st and capitalized,
species is 2nd and lowercase
written in italics if typed or underlined if handwritten
main characteristics of bacteria - ANSWER--prokaryotic
-peptidoglycan cell wall
-hetero or autotroph
-unicellular
-asexual
main characteristics of archaea - ANSWER--prokaryotic
-pseudomurin cell wall
-heterotroph
-unicellular
-asexual
main characteristics of fungi - ANSWER--eukaryotic
-chitin cell wall
-heterotroph
-unicellular (yeast) or multicellular (mold/mushrooms)
-asexual or sexual
main characteristics of protozoan - ANSWER--eukaryotic
-lacks cell wall
-usually heterotroph
, -unicellular
-asexual or sexual
main characteristics of algae - ANSWER--eukaryotic
-cellulose cell wall
-autotroph
-unicellular or multicellular
-asexual or sexual
main characteristics of helminth - ANSWER--eukaryotic
-lacks cell wall
-heterotroph
-multicellular
-asexual or sexual
why are viruses considered to be non-living? - ANSWER-they are acellular (not made
up of living cells)
what are helminths? - ANSWER-flat worms and round worms
carl woese proposed that organisms may be classified into one of three different
domains by analysis of their _____. - ANSWER-rRNA
what are the three domains proposed by carl woese? - ANSWER-bacteria, archaea,
eukarya
who was the first to report that living things were composed of little boxes of cells from
looking at cork? - ANSWER-Robert Hooke
who was the first to look at living microorganisms with a microscope? - ANSWER-Anton
van Leeuwenhoek
define spontaneous generation - ANSWER-living organisms arise from nonliving matter
define biogenesis - ANSWER-living organisms arise from preexisting life
describe the experiment performed by Redi - ANSWER--maggots don't arise from
decaying meat
-biogenesis
-a sealed jar with decaying meat produced no maggots
-an unsealed jar with decaying meat produced maggots
describe the experiment performed by Needham - ANSWER--boiled nutrient broth and
then covered the flasks after
-spontaneous regeneration
-bacteria grew
