Which of the following statements is not true concerning bacteria and archaea?
a. Archaea and bacteria have different membrane lipids.
b. Both archaea and bacteria generally lack membrane-enclosed organelles.
c. The cell walls of archaea lack peptidoglycan.
d. Only bacteria have histones associated with DNA.
e. Only some archaea use CO2 to oxidize H2, releasing methane.
Answer: d. Only bacteria have histones associated with DNA.
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What will be an ideal response?
You're describing a newly discovered protozoa that has long filamentous pseudopods. Which term best fits these pseudopods?
A. Filopods B. Lobopods C. Reticulopods D. Hyphopods
Which of the following would be used to determine the probability of three independent events in order?
A. Sum rule B. Product rule C. Chi-square test D. Binomial expansion E. Random sampling error
All organisms fit into one of the two following categories. What two categories are these?
a. consumers and decomposers
b. producers and decomposers c. producers and consumers d. scavengers and detritivores e. consumers and scavengers