Lazzaro Spallanzani's experiment<span> is a good example of creativity because he designed the experiment and found a new way to explore gastric juices.</span>
Lazzaro Spallanzani, an Italian biologist and physiologist, was the first scientist to dissect animals for digestion trials. He used the animals as models for humans digestive system, designed the experiment, and was the first to interpret the process of digestion.
Receptor receives chemical signals came from the cell's outside environment. It is made up of protein molecule. The correct answer for the question above is letter a. Receptor protein allows one or <span>a few specific molecules to pass across the membrane.</span>
