Answer:
C) Their conclusion should be specific to grape juice on that particular fabric.
Explanation:
Experimental design should be capable of testing a hypothesis. With Penny and Nikki experiment (with one type of fabric and one type of pigment) can only answer the effectiveness of different stain removers to remove grape juice pigments from the specific fabric that was utilized. If they wanted to test the effectiveness of different stain removers, they should use different pigments and various types of fabrics. Different chemicals (active ingredients in stain removers) can have a different effect on different pigments or on different types of fabrics.
Answer:
cellulose
Explanation:
Cellulose is plant constituent composed of a huge number of glucose units. It is the main structural component of the primary cell wall of plants. Cellulose is usually in mixture with hemicellulose, lignin and pectin. Because of its structure, cellulose is responsible for the strenght and rigidity od plant cells.
The population would for sure go down.
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The small molecules that chain together to form a protein molecule are called amino acids an example of which could be glycine