MCB3023 Test 1 Questions With Complete Solutions
__________ first described bacterial cells by referring to them
as "wee animalcules." Correct Answers Antoni Van
Leeuwennoek
__________ published the first known sketches of molds,
making it the first documented description of microorganisms.
Correct Answers Robert Hooke
An expert in ________ would be the best person to consult
about removing a soil contaminated with carcinogenic
compounds. Correct Answers Bioremidiation
Flagella are composed of a protein called: Correct Answers
Flagellin
he terms "run" and "tumble" are generally associated with which
answer choice? Correct Answers Chemotaxis
How do microorganisms impact out agriculture and health?
Correct Answers nitrogen-fixing bacteria, cellulose-degrading
microbes in gut (microbiome)
How do nodule-forming bacteria help agriculture? Correct
Answers They allow for microbally medicated fertilization and
prevent fungal infection
How many kingdoms are in eukarya and what are some
examples? Correct Answers 6 kingdoms: plants, animals, and
fungi
, How many phyla are in archaea? Correct Answers There are 5
phyla
How old is earth? Correct Answers Earth is 4.6 billion years
old.
Prokaryotes generally have a single, circular DNA molecule
called a __________. Correct Answers chromosome
Prokaryotic cells contain extrachromosomal DNA that are
called: Correct Answers Plasmids
Teichoic acids are present in the cell walls of: Correct Answers
Gram-positive bacteria
The __________ is an aqueous mixture of macromolecules,
ions, and ribosomes. Correct Answers Cytoplasm
The glycosidic bonds in peptidoglycan are cleaved by: Correct
Answers Lysozome
The production of human proteins (e.g., insulin) by genetically
engineered microorganisms is an example of: Correct Answers
Biotechnology
The term halophile is to ________ as psychrophile is to
________. Correct Answers salt loving: cold loving
What are bacterial cytoplasmic membrane made up of? Correct
Answers General structure is phospholipid bilayer containing
__________ first described bacterial cells by referring to them
as "wee animalcules." Correct Answers Antoni Van
Leeuwennoek
__________ published the first known sketches of molds,
making it the first documented description of microorganisms.
Correct Answers Robert Hooke
An expert in ________ would be the best person to consult
about removing a soil contaminated with carcinogenic
compounds. Correct Answers Bioremidiation
Flagella are composed of a protein called: Correct Answers
Flagellin
he terms "run" and "tumble" are generally associated with which
answer choice? Correct Answers Chemotaxis
How do microorganisms impact out agriculture and health?
Correct Answers nitrogen-fixing bacteria, cellulose-degrading
microbes in gut (microbiome)
How do nodule-forming bacteria help agriculture? Correct
Answers They allow for microbally medicated fertilization and
prevent fungal infection
How many kingdoms are in eukarya and what are some
examples? Correct Answers 6 kingdoms: plants, animals, and
fungi
, How many phyla are in archaea? Correct Answers There are 5
phyla
How old is earth? Correct Answers Earth is 4.6 billion years
old.
Prokaryotes generally have a single, circular DNA molecule
called a __________. Correct Answers chromosome
Prokaryotic cells contain extrachromosomal DNA that are
called: Correct Answers Plasmids
Teichoic acids are present in the cell walls of: Correct Answers
Gram-positive bacteria
The __________ is an aqueous mixture of macromolecules,
ions, and ribosomes. Correct Answers Cytoplasm
The glycosidic bonds in peptidoglycan are cleaved by: Correct
Answers Lysozome
The production of human proteins (e.g., insulin) by genetically
engineered microorganisms is an example of: Correct Answers
Biotechnology
The term halophile is to ________ as psychrophile is to
________. Correct Answers salt loving: cold loving
What are bacterial cytoplasmic membrane made up of? Correct
Answers General structure is phospholipid bilayer containing
