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Microbiology Chapter 10 Test Bank 2024/2025 already graded A+
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Microbiology Chapter 10 Test Bank 2024/2025 already graded A+
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Microbiology Chapter 10 Test BankWhich of the following statements about archaea is FALSE?
A) They are prokaryotes.
B) They lack peptidoglycan in their cell walls.
C) Some are thermoacidophiles; others are extreme halophiles.
D) They evolved before bacteria.
E) Some produce methane from carbon dioxide and hydrogen. - ANSthey evolved before
bacteria
Which of the following characterizes the Domain Bacteria?
A) prokaryotic cells; ether linkages in phospholipids
B) eukaryotic cells; ester linkages in phospholipids
C) prokaryotic cells; ester linkages in phospholipids
D) complex cellular structures
E) multicellular - ANSprokaryotic cells; ester linkages in phospholipids
If two organisms have similar rRNA sequences, you can conclude that they
A) live in the same place.
B) evolved from a common ancestor.
C) will have different G-C ratios.
D) will both ferment lactose.
E) mated with each other. - ANSevolved from a common ancestor
What is the outstanding characteristic of the Kingdom Fungi?
A) All members are photosynthetic.
B) Members absorb dissolved organic matter.
C) Members absorb dissolved inorganic matter.
D) All members are microscopic.
E) All members are macroscopic. - ANSmembers absorb dissolved organic matter
Which of the following statements about members of the Kingdom Plantae is FALSE?
A) They are multicellular.
B) They are composed of eukaryotic cells.
C) They undergo photosynthesis.
D) They use organic carbon sources.
E) They synthesize organic molecules. - ANSthey use organic carbon sources
Which of the following statements about the members of the Kingdom Animalia is FALSE?
A) They are multicellular.
B) They are composed of eukaryotic cells.
C) They undergo photosynthesis.
, D) They ingest nutrients through a mouth.
E) They are heterotrophs. - ANSthey undergo photosynthesis
A genus can best be defined as
A) a taxon composed of families.
B) a taxon composed of one or more species and a classification level lying below family.
C) a taxon belonging to a species.
D) a taxon comprised of classes.
E) the most specific taxon. - ANSa taxon composed of one or more species and a classification
level lying below family
A bacterial species differs from a species of eukaryotic organisms in that a bacterial species
A) does not breed with other species.
B) has a limited geographical distribution.
C) can be distinguished from other bacterial species.
D) is a population of cells with similar characteristics.
E) breeds with its own species. - ANSis the population of cells with similar characteristics
Which of the following is the best evidence for a three-domain system?
A) Nucleotide sequences in ribosomal RNA vary between all three domains.
B) There are three distinctly different sets of metabolic reactions.
C) There are three distinctly different Gram reactions.
D) Some bacteria live in extreme environments.
E) There are three distinctly different types of nuclei. - ANSnucleotide sequences in ribosomal
RNA vary between all three domains
A biochemical test, in the microbiology world, is used to determine
A) staining characteristics.
B) amino acid sequences of enzymes.
C) nucleic acid-base composition of DNA sequences.
D) capability of a microbe to perform a specific enzymatic activity.
E) All of the answers are correct. - ANScapability of a microbe to perform a specific enzymatic
activity
Which of the following is NOT based on nucleic-acid hybridization?
A) DNA chip
B) FISH
C) PCR
D) Southern blotting
E) Western blotting - ANSwestern blotting
The phylogenetic classification of bacteria is based on
A) cell morphology.
B) Gram reaction.
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