Muscular control
The digestive system has three muscular sphincters that control the movement of food contents into…
AAMC Outline
Large intestine
The large intestine is a large tube-like structure that absorbs water from the undigested food…
Small intestine
The small intestine is a long tube-like organ with a highly-folded surface containing finger-like projections…
Function in Transmission of Genetic Information
The double helix structure of DNA and the base-pairing rule allow DNA to function as…
Separation Techniques
Due to the attributes and interactions of amino acid residues, proteins have unique characteristics that…
Conformational Stability
The stability of a protein depends on its environment as well as the exposure to…
Structure
There are four levels of protein structure (primary, secondary, tertiary, and quaternary) and each successive…
Nervous control: the enteric nervous system
The enteric nervous system (ENS) is a subdivision of the autonomic nervous system (ANS) that…
Rectum: storage and elimination of waste, feces
The rectum is the terminal end of the large intestine. Its primary role is to…
Pancreas
The pancreas is an accessory digestive organ. Most of the digestive enzymes are produced in…