Biology, 30.11.2020 23:30 hooplikenari
A student poured a solution of bromthymol blue indicator into three test tubes. Then, he placed an aquatic plant in two of the test tubes. He placed a stopper on each test tube and placed them all in the dark for 24 hours. Bromthymol blue turns from blue to yellow in the Presence of CO2.
Question 1 - Which process or processes would you expect the organisms in the test tubes to carry out? Cellular Respiration, photosynthesis or both?
Question 2 - What is the purpose of the bromthymol blue in the experiment? How can the student use this indicator to draw conclusions about the processes that the aquatic plants are carrying out?
Question 3 - Predict what colour the test tubes will be 24 hours in the dark?
Question 4 - The student takes test tube 3 (after it has been in the dark for 24 hours) and out it in a sunny window, predict what will happen to the colour of the test tube. Give reasoning to support your prediction.
Answers: 2
Biology, 22.06.2019 02:40
Svetlana and her mother are very similar. both have blonde hair, a love of scrapbooking, blue eyes, and a thin nose. which statement most likely describes svetlana’s traits? svetlana inherited her love of scrapbooking from her mother, but her blue eyes come from her environment.svetlana inherited her blue eyes from her mother, but her love of scrapbooking comes from her environment.svetlana inherited her thin nose from her mother, but her blonde hair comes from her environment.svetlana inherited her blonde hair from her mother, but her thin nose comes from her environment.
Answers: 1
Biology, 22.06.2019 11:50
Which of the following describes how binary fission and mitosis are similar? a)they are both used for growth or repair b)they both break down membrane-bound nuclei c)both invoke the replication of a single stand of dna d)both replicate genetic material
Answers: 1
A student poured a solution of bromthymol blue indicator into three test tubes. Then, he placed an a...
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