Emil Kraeplin developer the system that is the foundation for our modern classification system
Where did the first cell on earth come from?
Protein denaturation results in a disruption
of the secondary and tertiary structure.
A denatured protein does not have the function it previously had. Some
proteins owe their functions to the three dimensional shape they have; what is
responsible for holding the shape of a protein is the R-group interactions.
B. "batteries" that provide energy for cells
Answer: <u><em> a) Friction</em></u>
Explanation: <em>Friction is a force that opposes motion. When two objects are in contact, friction is acts in a direction opposite to the motion of the object.</em>