Biology, 29.01.2020 11:48 KarlaOsorio7779
Ascientist wants to determine which fertilizer is more effective—fertilizer x or fertilizer y. the best way for her to proceed would be to design an experiment with
a. two groups of plants—a group fertilized by y and a control group with no fertilizer.
b. two groups of plants—a group fertilized by x and a control group with no fertilizer.
c. three groups of plants—a group fertilized by x, a group fertilized by both x and y, and a control group with no fertilizer.
d. three groups of plants—a group fertilized by x, a group fertilized by y, and a control group with no fertilizer.
Answers: 2
Biology, 21.06.2019 16:00
You need to make 500ml of 7h9(+) media with 1x adn and 30ug/ml of the antibiotic kanamycin. your stock solutions are 10x adn and 30mg/ml of kanamycin. the solvent is distilled water. how much of each component will you need to make the desired final solution?
Answers: 2
Biology, 21.06.2019 18:40
Study the diagram of a desert food chain . what would most likely happen if the kangaroo rats were killed off and removed from the food chain ?
Answers: 1
Biology, 21.06.2019 20:00
Which of the following matches the organisms described with the correct domain? a. bacteria--unicellular, eukaryotic organisms with cell walls that do not contain peptidoglycanb. archaea--multicellular, eukaryotic organisms that do not have cell wallsc. eukarya--single-celled and multicellular organisms, with a defined nucleus and a variety of nutritional sourcesd. bacteria--unicellular, eukaryotic organisms that always lack cell walls
Answers: 1
Biology, 22.06.2019 00:00
Plz will mark! the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?
Answers: 1
Ascientist wants to determine which fertilizer is more effective—fertilizer x or fertilizer y. the b...
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