Answer:
As the yeast eats the sugar, it releases a gas called carbon dioxide. The gas fills the bottle and then fills the balloon as more gas is created. Each bit of yeast makes tiny gas bubbles and that puts millions of bubbles (holes) in our bread before it gets baked.
Explanation:
<span>Gel electrophoresis is a technique that allows the DNA fragments to separate according to length.
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Answer:
two German scientists
Theodor Schwann
Matthias Jakob Schleiden
Explanation:
They both co-founded the cell theory.
Schleiden defined the cell as the basic unit of plant structure. Years later Schwann defined it as the basic unit of animal structure.