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- Do humans have blue blood? - Ask A Biologist
Perhaps these light tricks are part of why the blood in our veins is often drawn very blue in textbooks Over time, this has helped trick many people into thinking that blood in our veins, when it is low on oxygen, is actually blue But in reality, it is dark red Does blue blood exist? Horseshoe crabs are just one type of animal that has blue
- Do humans have blue blood? | Ask A Biologist
Just because humans don’t have blue blood doesn’t mean blue blood doesn’t exist Some animals don’t use hemoglobin, like we do, to move oxygen around their bodies Some crabs, spiders, and other invertebrates use haemocyanin This protein is built around copper instead of iron When that copper is oxygenated, it is blue!
- Poison Dart Frog Color and Protection | Ask A Biologist
Aposematism: bright colors, loud noises, or other easily detectable features of an animal that act as a warning to predators about toxins, venoms, or other defenses
- | Ask A Biologist
Be Part of Ask A Biologist By volunteering, or simply sending us feedback on the site Scientists, teachers, writers, illustrators, and translators are all important to the program
- Teal Duck | Ask A Biologist
Is blood blue? Answer >> Be Part of Ask A Biologist By volunteering, or simply sending us feedback on the
- Iridescence: Natures Spectacular Colors - Ask A Biologist
Green is reflected because green is not absorbed We're not seeing red from grass or blue from grass because the red and the blue wavelength colors are being absorbed and that's really key So the key component, the key principle as to why grass is green or why blood is red is because certain colors are absorbed and certain colors are not absorbed
- Wild Turkey - Ask A Biologist
Is blood blue? Answer >> Be Part of Ask A Biologist By volunteering, or simply sending us feedback on the
- Protein Folding - Ask A Biologist
Protein FoldingJust like every person has their own unique characteristics (hair, eyes, smile), different kinds of proteins have their own unique features and 3-dimensional shape Not only do proteins look different, they also do different things
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