It's called peristalsis. It occurs through the oesophagus all the way through the digestive tract.
Answer:
Cheek cells are eukaryotic cells
I think you might've forgotten something. There is no labels, pictures, or any options. Add some more stuff and I'd be able to help out.
The correct answer is option glucose.
The glucose can be used as the immediate source of the energy. The cells can utilize the glucose to form the ATP molecules, which can be used as a source of energy by the body of the organism. The cellulose, chitin, and the glycogen are the polymers, they can only be utilized, once they are broken down into simpler forms.
