Biology, 27.07.2019 06:30 jasonskatesallday
In his transformation experiments, what did griffith observe? 6) a. mixing a heat-killed nonpathogenic strain of bacteria with a living pathogenic strain makes the pathogenic strain nonpathogenic. b. mixing a heat-killed pathogenic strain of bacteria with a living nonpathogenic strain can convert some of the living cells into the pathogenic form. c. mice infected with a pathogenic strain of bacteria can spread the infection to other mice. d. mutant mice were resistant to bacterial infections. e. infecting mice with nonpathogenic strains of bacteria makes them resistant to pathogenic strains.
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Biology, 21.06.2019 19:00, darkshaders11
The following image is of a diatom. it lives in water and gets food from photosynthesis. it is encased in a hard shell made of something similar to glass or sand . a diatom is a(n) because it has a) multi-celled organism; specialized parts. b) vertebrate; a skeleton. c) insect; an exoskeleton. d) single-called organism; only one cell.
Answers: 3
Biology, 22.06.2019 01:30, alwaysneedhelp8420
Apopulation of black bears depends on salmon from a stream for food. if a drought causes the stream to run dry one year, how will this likely impact the black bear population?
Answers: 2
Biology, 22.06.2019 07:50, kailahgranger
In each transformation of energy , some energy what?
Answers: 1
Biology, 22.06.2019 09:10, TrueKing184
Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone
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In his transformation experiments, what did griffith observe? 6) a. mixing a heat-killed nonpathog...
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