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APHY 102 MIDTERM EXAM QUESTIONS AND ACCURATE ANSWERS
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APHY 102 MIDTERM EXAM QUESTIONS AND ACCURATE ANSWERS...
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Micro Ch. 10 Questions And Accurate Answers 2024-20251) Which 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. - Answer D) They evolved
before bacteria.
2) 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. - Answer B) evolved from a common ancestor.
3) 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. - Answer D) They use organic carbon sources.
4) Which of the following statements concerning the members of the Kingdom Animalia
is NOT true?
A) They are multicellular.
, B) They are composed of eukaryotic cells.
C) They are capable of photosynthesis.
D) They are able to ingest nutrition through a mouth.
E) They are heterotrophs. -Answer C) They undergo photosynthesis.
5) A genus may best be described as
A) a taxon that is composed of families.
B) a taxon that is composed of one or more species and a classification level that is
below family.
C) a taxon that belongs to a species.
D) a taxon made up of classes.
E) the most specific taxon. -Answer B) a taxon composed of one or more species and a
classification level lying below family.
6) A bacterial species is different from a species of eukaryotic organisms in that a
bacterial species
A) does not interbreed with other species.
B) has a limited geographical distribution.
C) can be differentiated from other bacterial species.
D) is a population of cells with similar characteristics.
E) breeds with its own species. -Answer D) is a population of cells with similar
characteristics.
7) Which of the following provides the best evidence for a three-domain system?
A) The nucleotide sequences in ribosomal RNA vary between all three domains.
B) There exist three distinctly different sets of metabolic reactions.
C) There exist three distinctly different Gram reactions.
D) Several bacteria exist in extreme environments.
E) There exist three distinctly different kinds of nuclei. -Answer B) There exist three
distinctly different kinds of sets of metabolic reactions.
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