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Anonymous Posted 12 years ago
Grammar
is this correct
Then the mixture was vortexed and spinned down, and the supernatant containing anthocyanin was transferred into a new microcentrifuge tube. Last two steps had to be repeated twice.
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Then the mixture was centrifuged and the supernatant containing anthocyanin was transferred into a new microcentrifuge tube. The last two steps were performed twice.
- Then the mixture was centrifuged and the supernatant containing anthocyanin was transferred into a new microcentrifuge tube.
- The last two steps were performed twice.
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Then the mixture was centrifuged and the supernatant containing anthocyanin was transferred into a new microcentrifuge tube. The last two steps were performed twice.
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