Awilted flower placed in a vase of water for several hours became stiff and stood erect. when it was placed in a salt solution, it wilted. from this information what can we say about the cells of the flower? a) the flower cells are hypertonic to fresh water but hypotonic to the salt solution. b) the flower cells are hypotonic to the fresh water and hypertonic to the salt solution. c) the flower cells are hypertonic to both the fresh water and the salt solution. d) the flower cells are isotonic to both the fresh and salt water solutions
Answers: 2
Biology, 21.06.2019 18:30, bossboybaker
Which of the following is an example of a tissue on the digestive system a. the stomach b. smooth muscle that lines the stomach c. nerve cells in the stomach d. enzyme molecules in the stomach
Answers: 1
Biology, 22.06.2019 10:10, dpazmembreno
(6.02 mc)what affect do marine protected areas have on environmental quality? they increase environmental quality by preventing resource overuse. they increase environmental quality by adding new species. they decrease environmental quality by removing all human activity. they decrease environmental quality by adding recycling facilities.
Answers: 1
Biology, 22.06.2019 12:10, MIAkwicc39
What mistake did john needham make that caused him to conclude that spontaneous generation for microorganisms occurred? a. he re-contaminated his boiled broth solutions. b. he destroyed the vital force in the solutions. c. he did not boil his broth solutions, only warmed them. d. he failed to seal his flasks of boiled broth. e. he allowed his assistant to conduct the experiment which he did not monitor closely.
Answers: 2
Biology, 22.06.2019 13:00, jalenshayewilliams
What is gene expression control that occurs after the generation of rna
Answers: 3
Awilted flower placed in a vase of water for several hours became stiff and stood erect. when it was...
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