Peroxisome Proliferator-Activated Receptors (PPARs) are a group of nuclear receptor isoforms. ...
Sea urchin egg is visualized with microscope. On the left phase contrast is used, and on the ...
Calcium signaling in glial cells. Glial cells support neurons. Calcium levels seem to have role ...
Diversity of Life: Introduction to Viruses Christine Herrmann, PhD
In this video, stem cells are explained by Joseph G. Marx, PhD.
Cloning which is the process of producing similar populations of genetically identical ...
Long double-stranded RNAs (dsRNAs; typically >200 nt) can be used to silence the expression of ...
Spermatogenesis is the process by which male gonad (testes) produce mature spermatozoa, the ...
The tibia is the larger of the two bones in the leg below the knee in vertebrates. Bones are ...
Heart is organ which pumps blood over our body. It is situated in chest, protected by ribs, ...
At the beginning in nucleus chromosomes are formed. As they travel it to the center of the cell, ...
Animation shows red blood cells traveling trough capillaries. Red blood cells transport oxygen ...
This animation shows DNA replication. DNA is replicated every time prior to cell division, in ...
Sperm and egg fusion is called fertilization. It takes place in tube. After fertilization zygote ...
Nerve cells communicate one with other by electrochemical signaling via gaps between cells ...
This is an animation of a beating heart. Heart muscles are shown in red, and valves in beige.
Alveoli are shown in this video. Alveoli are smallest parts of lungs, where gas exchange takes ...
Medical animation of egg release from ovary. After released it travels thought Fallopian tube ...
Medical animation of how to use inhaler for pulmonary disease. Inhalator is shaken, air breath ...
Angiotensin is an oligopeptide in the blood that causes vasoconstriction, increased blood ...
DNA synthesis is the process of copying a double-stranded DNA molecule. New DNA must be exactly ...
A mitochondria is a triple membrane-enclosed organelle, found in most eukaryotic cells. It is ...
DNA synthesis is shown with structure models. Complementary nucleotides are bonded.
This video shows steps in experiment. Experiment is about what bacteria transcript when growing ...