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What are some of the key features of a red blood cell.

Red blood cells transport oxygen around the body via the circulatory system and are the most common cell in the blood. They carry a special protein called hemoglobin which binds to oxygen, allowing it to be ...
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Answered by Jack K. • Biology tutor
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Describe the main features of a eukaryotic cell, including their functions

Eukaryotic cells contain mitochondrion, to produce energy for the cellA nuclear membrane to contain the DNA strands which control the cellCytoskeleton for the movement of molecules and to aid with stability ...
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Answered by Abby A. • Biology tutor
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How would you test a seed for lipids?

To test for presence of lipids, you use an emulsion test.First, crush the seen to release the contents.Next, add ethanol and shake.Then add water and shake again.If lipids are present in the seed, the mixtur...
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Answered by Caitlin P. • Biology tutor
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Describe the pathway of blood flow through the pulmonary circuit

Deoxygenated blood flows from the vena cava into the right atrium, through the tricuspid valve into the right ventricle. When the ventricles contract blood is forced through the pulmonary valve into the pulm...
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Answered by Rebecca H. • Biology tutor
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Describe the process of therapeutic cloning.

Therapeutic cloning produces stem cells which are genetically identical to the parent cell. Nucleus is removed and discarded from the donor egg cell = enucleated egg. Nucleus is removed from the patient's ce...
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Answered by Ottilie W. • Biology tutor
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