Yes i believe it is possible. Complete proteins are proteins with all the indispensable amino acids present in proper proportions; for example in foods like eggs, meat, fish, milk. Incomplete proteins on the other hand are food proteins that contain a limiting amount of one or more indispensable amino acids needed for growth; for example corn tortillas are lacking in lysine. It is possible to make a complete protein by combining together two incomplete protein foods in the same meal.
I believe that the answer is D, The four have molecular similarities, but have their own unique traits. A phylogenetic tree is a diagram like the one shown below which represents the relationship among various biological organisms/species or other entities based upon similarities and differences in their physical or genetic characteristics.
Answer:B
Explanation:American society is shifting toward more-sustainable lightbulbs.
Nitrification!!!!!!!!!!!!!!!!!!!!!!! <span />
A control is a experimental variable that is kept constant or unchanged during an experiment. During a controlled experiment, the controlled variables are held constant to minimize or stabilize their effects on the subject, its unchanging state allows the relationship between the other variables being tested to be better understood.