A chemical called phenol (carbonic acid) destroys proteins but not nucleic acids, and strong alkali such as

sodium hydroxide destroys both protein and nucleic

acids. In the transformation experiments with

Streptococcus pneumoniae, what result would be

expected if the S-strain extract had been treated with

phenol? If it had been treated with strong alkali?

Read the following scenario to answer the following question. in some zoos, rare crosses between a male lion and a female tiger have produced hybrid offspring called "ligers." male ligers are sterile but some female ligers are fertile. in the wild, lion and tiger ranges do not naturally overlap, making such a cross unlikely. furthermore, the solitary behavior of tigers and the social organizations of lions create behavioral differences. applying the biological species concept, the sterility of ligers reveals that a. lions are probably a subspecies of tigers b. tigers and lions are the same species c. a new species called "ligers" is forming d. tigers and lions are separate species

Construct an explanation about the function of mitosis for multicellular organisms

If water is at -10 ° c and energy is added to the water until it is 50 ° c while maintaining a constant pressure of 760 mmhg, describe the phase change of the water?