Micro Ch. 10 Exam Questions With Correct
Answers.
1) 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 produ...
1) 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 about the members of the Kingdom Animalia is FALSE?
A) They are multicellular.
B) They are composed of eukaryotic cells.
E) They are heterotrophs. - answer✔C) They undergo photosynthesis.
5) 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. - answer✔B) a taxon composed of one or more species and a
classification level lying below family.
6) 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. - answer✔D) is a population of cells with similar
characteristics.
7) 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. - answer✔B) There are three distinctly
different sets of metabolic reactions.
8) 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.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Brightstars. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.49. You're not tied to anything after your purchase.
