Question

1. explain why it is important to tie the both ends of tubing very tightly
2. explain why it is important to wash the outside of the tubing
3. which nutrients -starch or sugar-were able to get out of tubing?
4. use what you know about starch molecules to suggest an explanation for your results

Answer 1

Answer:

1) Close one end of the tube by tying a tight knot with a short piece of string about 1 cm from the end of the tubing. Be sure it is tied very tight with a secure knot so nothing can leak from the tube.