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Most of the DNA inside a human cell is contained in the nucleus, but a small amount is found in the mitochondria. The nucleus is an organelle found inside most cells, but not red blood cells. The nucleus is not a cell, just like a dinning room is not a house.All the cells in a human body with the exception of the sex cells and red blood cells contain the same amount of DNA in the nucleus. Some cells contain more mitochondria which have a little extra DNA so probably muscle or liver cells would contain the most as they need the most energy and so have the most mitochondria.To work out which cell in the world contains the most DNA we could try looking at which species has the largest genome. So far the biggest animal genome sequenced is that of Protopterus aethiopicus, the Marbled lungfish at 132.83pg of DNA per cell. So probably Marble lung fish muscle or liver cells will contain the most DNA in an animal species. We do not know the size of every species genome yet so this is really a guess.Well for Study Island, the answer is, in fact, Nucleus
No but the cells that fish are made of do.
when mammals began to evolve. Other vertebrates such as fish, reptiles and birds have red cells that contain nuclei that are inactive. Losing the nucleus enables the red blood cell to contain more oxygen-carrying hemoglobin, thus enabling more oxygen to be transported in the blood and boosting our metabolism.
A fish's spleen does what a human's spleen does, releases blood cells when needed
Fish are type of animals.They do have a nucleus.
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Gills are composed of thousands of filaments which are covered in lamellae (only a few cells thick and contain blood capillaries). This creates a large surface area and a short distance for gas exchange.
Yes, all vertebrates (e.g. fish, amphibians, reptiles, mammals, birds) have red blood cells. There are probably other organisms that also have red blood cells. However insects and several other invertebrates have a blue copper based blood instead of the red iron based blood of vertebrates. Bur they do not have blue blood cells as the copper based compound these organisms is free in the blood instead of contained inside cells.
Yes, all vertebrates (e.g. fish, amphibians, reptiles, mammals, birds) have red blood cells. There are probably other organisms that also have red blood cells. However insects and several other invertebrates have a blue copper based blood instead of the red iron based blood of vertebrates. Bur they do not have blue blood cells as the copper based compound these organisms is free in the blood instead of contained inside cells.
Perch belong to the domain Eukarya, which includes all organisms with cells containing a nucleus and other organelles.
No, fish does not contain starch. Only plants contain starch.
Yes, some lipsticks contain fish scales.