Molecules that are polar and attracted to water are ________; molecules that are nonpolar and therefore not attracted to water are ________
Fill in the blank(s) with correct word
hydrophilic; hydrophobic
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Which of the following is an intracellular
parasite that causes sexually transmitted disease? a. Chlamydia b. Cyanobacteria c. Clostridium d. Chondromyces e. all of these
An example of ex situ conservation is a national park. Indicate whether the statement is true or false
Which animal requires the largest and most complex lungs proportional to its overall body size?
A) frog B) turtle C) bear D) salamander
You are working in the field with your favorite bacteria species, Bacterium BB. You carry out some experiments with Bacterium BB, and find that it can now degrade toluene and it is pathogenic! What happened?
A. Bacterium BB was transformed with a resistance plasmid and a digestive plasmid. B. Bacterium BB acquired degradative and virulence plasmids by horizontal gene transfer. C. Bacterium BB was exposed to a bacteriophage which is now in its lytic phase. D. Bacterium BB sexually reproduced with another strain of bacteria that had both toluene-degrading gene and virulence gene. E. Bacterium BB picked up fertility and Col-plasmids via conjugation.