the complement system is a group of proteins in the blood that attack pathogens that enter the body and kill them.
Answer:
In the case of water, hydrogen bonds form between neighboring hydrogen and oxygen atoms of adjacent water molecules. The attraction between individual water molecules creates a bond known as a hydrogen bond.
Explanation:
Answer:
C.
Explanation:
The function of vacuoles in an animal cell is that the vacuoles store materials
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Scientists conduct DNA examination in order to be able to classify the frogs as DNA examination helps them to classify the frogs according to species and genus . Different genus have around 2 percent difference in DNA sequence.
