Biology, 02.10.2021 17:40, jholland03
when brown iodine is exposed to starch it turns dark purple. in an experiment, you placed a cornstarch and glucose solution within a small plastic bag. next, you placed the bag in a beaker with water and 10 drops of iodine. after 10 minutes, the solution in the bag turned dark purple and glucose could be found in the iodine water within the beaker. select all that apply.
Answers: 2
Biology, 21.06.2019 15:00, SeleneBlackburn25
Which phrases describe an extrusive rock? check all that apply. fine texture cooled slowly small crystal size found deep underground different, easily observed minerals
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Why do oceanic plates tend to subduction when colliding with a continental plate
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Biology, 22.06.2019 07:30, 1tzM3
Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables
Answers: 3
when brown iodine is exposed to starch it turns dark purple. in an experiment, you placed a cornstar...