answer
D
explanation
because for to become a scientific theory it needs evidence before it
Here one of the answer Red Cedar Tree
The correct question for this is: "<span>The concentration of proteins synthesized in the breast are more affected by _____ than _____."
The correct answers are the age of the infant and maternal intake and maternal serum proteins.
While maternal intake and serum proteins contribute to the proteins synthesized in the breast tissue, the age of the infant will affect the composition of the breast milk as he or she ages. This is because of the reason that the demand for nutrients of the infant should be fulfilled until the recommended breastfeeding age of 2 years old.</span>
Answer: A. True
Explanation: Cell receptors are proteins that receive signals and trigger a signal cascade for the cell can respond. There's many types of receptors, depend of their location and their enzymatic activity, and each type can recognize certain signals. For example, tyrosine-kinase receptors can recognize growth factors, JAK associated receptors can recognize cytokines, etc. That specificity is given by the structure of the receptor and the structure of the signal.