Question: Which of the following statements about archaea is FALSE?

1-They are prokaryotes

2-They lack peptidoglycan in their cell walls

3-some are thermoacidophiles: others are extreme halophiles.

4-They evolved before bacteria

5-Some produce methane from carbon dioxide and hydrogen

Answer: FALSE-They evolved before bacteria

Question: Which of the following characterizes the Domain Bacteria?

Answer: prokaryotic cells: ester linkages in phosholipids

Question: If two organisms have similar rRNA sequences, you can conclude that they

Answer: evolved from a common ancestor

Question: What is the outstanding characteristic of the Kingdom Fungi?

Answer: Members absorb dissolved organic matter

Question: Which of the following statements about members of the Kingdom Plantae is FALSE?

1-They are multicellular

2-They are composed of eukaryotic cells

3-They undergo photosynthesis

4-They use organic carbon sources

5-They synthesize organic molecules

Answer: FALSE-They use organic carbon sources

Question: Which of the following statements about the members of Kingdom Animalia is FALSE

1-They are multicellular

2-They are composed of eukaryotic cells

3-They undergo photosynthesis

4-They ingest nutrients through a mouth

5-They are heterotrophs

Answer: FALSE-They undergo photosynthesis

Question: A genus can best be defined as

Answer: a taxon composed of one or more species and below family

Question: A bacterial species differs from a species of eukaryotic organisms in that a bacterial species

Answer: is a population of cells with similar characteristics

Question: Which of the following is the best evidence for a three-domain system?

Answer: Nucleotide sequences in ribosomal RNA vary between all three domains

Question: Biochemical tests are used to deterimine

Answer: enzymatic activites