Answer:
One sample should have had no enzyme and acted as a control.
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C) Lymph
Lymph (node) can also help you determine if you are fighting off a sickness or disease. Best place to feel Lymphs are on your neck
Answer:
(B) calmodulin
Explanation:
Calcium in cells acts as second messenger molecule which regulates the very important physiological and cellular process of cell-like neurotransmission, cell migration, secretion, fertilization and many others.
Calcium acts as a messenger by binding to a calcium-binding protein called calmodulin. Calmodulin forms complex with 4 calcium ions through the side amino acids present in the structure of calmodulin.
Thus, calmodulin is the correct answer.