The answer is A. Nucleus , electrons are found in the shell/orbital, protons and neutrons are found in the nucleus :)
Answer:
The enzyme influences the speed of change from substrate to product. Enzymes are released as substrates in a chemical reaction. An enzyme is a special kind of substrate in a chemical reaction.
Answer:Some body systems work together to complete a job. For example, the respiratory and circulatory systems work together to provide the body with oxygen and to rid the body of carbon dioxide. The lungs provide a place where oxygen can reach the blood and carbon dioxide can be removed from it.
Longing is stronger then cutin and suberin