Enzymes can be deactivated by heat because None of the choices are correct. changing the enzyme's three-dimensional shape. breaking the covalent bond that hold the molecule together. removing phosphate groups from the enzyme. causing enzyme molecules to stick together.

Liquid water turns into water vapor at which step in the water cycle? a. precipitation o b. water run off c. evaporation d. condensation

Me . based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?

Ricardo notices that when he plays soccer in the rain, his ball does not seem to go as far after a kick. what is the best scientific question that ricardo could ask about this observation? is soccer better played in the rain or sun? how does rain affect the distance a soccer ball can travel? how does rain affect the speed of a soccer ball? is soccer affected by the rain?