The answer is A. And here's why.
First the lactase must attach itself to the lactose molecule, upon doing that it hydrolyges it into glucose and galactose.
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The ridge of a birds breastbone is called a keel
The answer would be "Behavior is modified as a cause"
Answer:
<h2>A trophic pyramid shows where most of the energy in an ecosystem can be found. Each level is called a trophic level and as you move up trophic levels 90% of the energy is lost</h2>
Explanation:
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