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How Cells Work Proteins A protein is any chain of amino acids. An amino acid is a small molecule that acts as the building block of any protein. If you ignore the fat, your body is about 20-percent protein by weight. It is about 60-percent water. Most of the rest of your body is...
What are proteins? How can diversity of proteins in living organisms be explained? What is the function of a protein? A) What enzymatic reaction does glucokinase perform in metabolism? How does it differ from other hexokinases, and why is this important in pancreatic Beta cells? B) Explain ...
If you think air traffic controllers have a tough job guiding planes into major airports or across a crowded continental airspace, consider the challenge facing a human cell trying to position its proteins. The latest analyses suggest that some of our cells make more than 10,000 different ...
You might think that protein is just something you eat. But proteins are the basic building blocks of life. You have them in every cell of your body. Protein is the most plentiful substance in your body after water. You need protein to grow your muscles, bones, skin, and hair, but als...
Receptor-mediated endocytosis is a process whereby cells can take up specific large molecules. In most cases a receptor, having delivered its ligand, is recycled to the plasma membrane to bind more ligand
Hybridoma cells are hybrid cells made of two different cell types: Be lymphoblasts and myeloma cells. Hybridoma cells are capable of making immunoglobulins that are in charge of fighting infections by virus, bacterias, or other damaged cells....
Transcription and Translation How genes are expressed (a.k.a. How proteins are made) Biology The “Central Dogma” of Genetics DNA RNA Protein DNA vs. RNA DNA: Double stranded Deoxyribose is the sugar in the backbone Nucleotide base pairs: A with T, C with G RNA Single stranded...
As an added bonus, high-protein foods like meat and beans also provide iron and zinc, which are essential nutrients for babies. 6 Important Nutrients for Kids: An Age-by-Age Guide Can a Toddler Eat Too Much Protein? Protein is an essential nutrient for toddlers, but is there such a thin...
Many proteins with important biological functions are embedded in a biomembrane in the cells of humans and other living organisms. But how do they get in there in the first place? Researchers in the Department of Biosystems Science and Engineering at ETH Zurich have investigated the matter. ...