How Does The Body Tan?

Body Tan

Human often expose their bodies to the sun to get a ‘tan”. Very few people realize that sunlight has many important effects on the skin. The most obvious is to produce redness or sunburn. This is caused by ultraviolet light. It transforms “histidine”, a substance contained in the skin, into a substance that opens up … Read more

What Are The Differences Between Epithelial and Connective Tissue?

Epithelial and Connective Tissue

Epithelial and connective tissue are two of the main types of tissues in the body. Epithelial tissue lines organs and cavities, while connective tissue supports and anchors other tissues. While they may seem similar, there are some key differences between epithelial and connective tissue. This article will explore those differences in more detail. There are … Read more

What Are The Differences Between DNA Polymerase vs RNA Polymerase?

DNA Polymerase vs RNA Polymerase

The two polymerases DNA and RNA polymerases have strikingly different properties. While DNA polymerase can synthesize a new DNA strand from a preexisting one, RNA polymerase can only transcribe an RNA strand into a DNA molecule. This fundamental difference underlies the different roles these enzymes play in vivo. In this article, we will explore these … Read more

What Are The Differences between the Systemic vs Pulmonary Circuits?

Systemic vs Pulmonary Circuitscin human body

The systemic and pulmonary circuits are two important aspects of the cardiovascular system. The systemic circuit refers to the circuit that carries blood from the heart to the rest of the body, while the pulmonary circuit refers to the circuit that carries blood from the lungs to the heart. These circuits have different functions and … Read more

What Are The Differences between the Krebs cycle vs the Calvin cycle?

Krebs cycle vs the Calvin cycle

The Krebs cycle and the Calvin cycle are two major energy cycles that occur in living cells. The Krebs cycle is a metabolic pathway that takes place inside mitochondria, whereas the Calvin Cycle takes place within chloroplasts. They both have their own set of enzymes, intermediates, and cofactors that are required for them to work … Read more

What Are The Differences Between Neurotransmitters vs Hormones?

Neurotransmitters vs Hormones

Neurotransmitters and hormones are both chemicals in the body that help to regulate various biological processes. Neurotransmitters, such as serotonin and dopamine, play a role in mood regulation. Hormones, such as testosterone and estrogen, can also affect mood but also have other roles in physical development. For example, when you’re feeling down or stressed it’s … Read more