front 1 1) The cell membranes of all three domains are composed of straight carbon chains attached to glycerol by ester linkage. | back 1 Answer: FALSE |
front 2 2) Chloroplasts possess circular DNA and reproduce by binary fission. | back 2 Answer: TRUE |
front 3 3) As molecular techniques improve, scientists are finding it necessary to reclassify some genera. | back 3 Answer: TRUE |
front 4 4) The highest level in the current taxonomic hierarchy is "Kingdom." | back 4 Answer: FALSE |
front 5 5) Pure cultures of the same species are not always identical in all ways. | back 5 Answer: TRUE |
front 6 6) At this point in time, scientists believe the vast majority of the domain Bacteria have been discovered. | back 6 Answer: FALSE |
front 7 7) Once a culture is purified, the next logical step in the process of identifying bacteria is biochemical testing. | back 7 Answer: FALSE |
front 8 8) Serological testing is used for screening bacterial isolates for similarities. | back 8 Answer: TRUE |
front 9 9) Western blotting is an immunological test used to identify the antibodies in the serum of an individual suspected of having Lyme disease. | back 9 Answer: TRUE |
front 10 10) When building a cladogram, the length of the horizontal branch is based on the calculated percent similarity between organisms. | back 10 Answer: TRUE |