The Digestive System

In one of my first posts, I have talked about various human systems such as the circulatory system and respiratory system. The digestive system was one of them, and today I will be going over this system in more detail. We will cover digestion and absorption in the small intestine. Digestion in the Small Intestine...

Rate of Activity of Enzymes

Previously on one of our posts, we have learned how proteins can be denatured or activated. Enzymes have similar functions, since they all enzymes are proteins. When temperature, pH, substrate concentration, and enzyme concentration are not within optimal limits, amino acids break and cause changes to the active site of an enzyme. Temperature When temperature...

Limiting Factors of Photosynthesis

I believe you have all heard of photosynthesis at some point in your life because it is such a widely-known concept. Although it may seem very simple, the process of cellular photosynthesis is quite sophisticated. Today we will look at a small portion of photosynthesis - its limiting factors. A factor is limiting if it...

Application of Enzymes

Last week, we talked about one of the applications of enzymes in real life, which is using pectinase to extract apple juice. Today we will discuss another use of enzymes in industry, which is utilizing lactase to produce lactose-free milk. This application is commonly taught and referred to, which implies its significance.  Immobilized Enzyme Enzymes...

Molecules to Metabolism

Molecular biology is the investigation of biological activity at a molecular level. It is also the study of biochemical reactions between molecules that happen in a cell. Molecular biology is essential since it can be applied to every single organism that exists, as all living organisms go through chemical reactions to control their composition. Some...

The Digestive System

Before moving on to the content, I'll summarize the role of the digestive system in one sentence so that you can get a heads-up. The digestive system converts food into molecules that the body can use. It is done by four processes: ingestion, digestion, absorption, and elimination (egestion). Ingestion is the process of putting food...

Energy in Reactions and Enzymes

A chemical reaction is "a process that changes, or transforms, one set of chemicals into another." (Miller & Levine) Reactants are elements that enter into a chemical reaction and products are parts that are produced by a chemical reaction. Chemical reactions change the chemical bonds that join atoms in compounds. These actions directly connected to changes in energy....