Pasteurization is an example of what kind of technique?
A) antiseptic
B) disinfection
C) sterilization
D) surgical aseptic
B) disinfection
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One way in which small viruses package more information into a very small genome is to use overlapping genes so that the same base sequence is read in more than one reading frame.
Answer the following statement true (T) or false (F)
Molecular fossils have fallen under scrutiny by some paleobotanists that are skeptical of the conclusions being drawn from their analysis. Why do they consider molecular fossils to be problematic?
a. There is no risk of contaminating the DNA materials during handling and isolation. b. It is considered useless for identifying plant by-products from the past because they bear no resemblance to modern counterparts. c. The chemical materials of interest degrade rapidly when exposed to air during isolation and handling. d. They feel we do not have the mastery of the technology tools needed to process this sort of data yet.
Which fungal subgroup includes the oldest fungal lineages, are the only living fungi that make flagellated spores, and function in aquatic decomposition?
a. chytrids b. glomeromycetes c. zygote fungi d. sac fungi e. club fungi
Cutting off the tails of mice over several generations should cause the tails of their offspring to become shorter, according to the ideas of which of these scientists?
A. Darwin B. Wallace C. Lamarck D. Lyell E. Cuvier