What is true of most reactants in living things? they have all of the energy needed to react at normal body temperatures. enzymes that them react do not work at normal body temperatures. they do not have the energy needed to react at normal body temperatures. catalysts are not required for reactions at normal body temperatures.

Why is the theory of evolution important? it disproves all other theories about how life began. it provides a topic for debate. it is a unifying concept in biology. it explains how life began. i know for sure, it is not "it is a unifying concept in biology."

What are the proteins in connectivity tissues of your foot examples of?

True or false: (a) the strings of little red dots represent carbohydrates. (b) the model is called a bilayer because there are two main types of molecules present, lipids and proteins. (c) the many black lines represent amino acid tails. (d) this model shows membrane transport. (e) the blue ovals are hydrophobic. (f) the blue ovals represent phospholipid heads.