Starch molecules are too large to pass through the tubing into the beaker. Which errors could have caused starch to appear in the beaker des
Question
Starch molecules are too large to pass through the tubing into the beaker. Which errors could have caused starch to appear in the beaker despite this fact? Check all possible errors.
not washing the outside of the tubing after filling it with starch
reusing droppers for different solutions
adding glucose to the solution in the dialysis tubing
using a beaker that had not been cleaned thoroughly
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Biology
3 months
2022-02-24T09:26:39+00:00
2022-02-24T09:26:39+00:00 2 Answers
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Answers ( )
Answer:
Explanation:
When working in a laboratory, we need to be attentive to the cleaning and asepsis of all equipment so that there is no contamination of the analyzed samples. In case of contamination, the entire research may be compromised and show incorrect results.
An example of this can be seen in the question above, where a tubing and a beaker are used for the separation of molecules. The glucose molecules are too large to pass through the tubing and enter the baeker, however contamination can occur and the baeker contains glucose molecules. This would happen in the following cases:
Answer:
abd
Explanation: