Biology, 03.10.2020 01:01 winterblanco
A Biology class wants to investigate what concentration of a salt solution is most
effective in preventing the growth of bacteria. Students prepare five dishes of
agar (a gelatin-like substance used to cultivate living material). They spread
solutions of different salt solutions on four dishes, leaving one dish untouched.
They then introduce bacteria on all the dishes and observe the dishes for the
amount of bacterial growth. Identify the Dependent Variable in this experiment.
Answers: 2
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How can you tell the difference between rough er from smooth er?
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Biology, 22.06.2019 07:00, cyaransteenberg
What is the main function of the central vacuole in a plant cell? a. absorbs energy from the sun to produce food b. holds water and maintains turgor pressure c. breaks down molecules to release energy d. contains the cell's genetic material
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Biology, 22.06.2019 10:40, sierralynnbaldp16d4b
Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above
Answers: 1
Biology, 22.06.2019 11:00, berniece2002
Why did the federal government end its support of yucca mountain as a site for long-term storage of nuclear water
Answers: 1
A Biology class wants to investigate what concentration of a salt solution is most
effective in pre...
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