1. Differentiate between human blood and amphibian blood cells
2. Compare human blood and amphibian blood cells
3. Draw a diagram of human blood and amphibian blood cells
Ans 1) The first difference between the blood in frog and humans is in the shape of the RBCs which are most abundantly found. The RBCs of humans are round and regular whereas in case of frogs it is elliptical in shape. The mature RBCs of the humans do not have a nucleus but the frog erythrocyte has nuclei which is able to divide. The platelet is present in the blood of humans and helps in clotting of blood. However, in case of frog, the platelet is not present in the blood. Due to the presence of the nuclei in frog erythrocytes, it shows a purple pigment which is absent in case of the human blood.
Ans 2) Both the human and amphibians require blood and the first similarity is it requires the blood to circulate the oxygen and nutrients across the body. Second similarity is the presence of WBC or white blood cells which are less in number as compared to the RBCs but the leukocytes present in the blood of amphibians and humans is similar.
1. Differentiate between human blood and amphibian blood cells 2. Compare human blood and amphibian blood...
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"Stem cells are undifferentiated, primitive cells with the ability both to multiply and to differentiate into specific kinds of cells. Stem cells hold the promise of allowing researchers to grow specialized cells or tissue, which could be used to treat injuries or disease (e.g., spinal cord injuries, Parkinson’s disease, Alzheimer’s disease, diabetes, strokes, burns)." (Slevin, 2010) Choose ONE of the following issues and post to its thread with supporting evidence. 1. Discuss what you feel are the potential benefits of...
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