There are several levels of protein structure, the most complex of which is quaternary. Why are there so many different ways our bodies make proteins

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism

Which set of terms best describes a community of miners who live out in the countryside of west virginia and use specialized geological equipment to analyze the composition of rock?

Which number represents a basic ph, 4 or 9? numerical answers expected! answer for blank 1: i'll give