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where are embryonic stem cells found, how are they harvested? where are adult stem cells found, how are they harvested? references?
Embryonic stem cells were found in the blastocyst. Theyare harvested from the inner cell mass of the blastocyst. Adult stem cells werefound in blood, central and spinal brain, liver, pancreas,...
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1. Explain how sampling methods are used in ecological studies
2. Explain the ethical issues related to human cloning and using embryonic stem cells
1. In ecological studies, sampling methods are used in three ways: random sampling (large numbers of samples are taken from different points of the habitat), systematic sampling (samples are taken...
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short notes on cell signaling during embryonic development
Cells in the developing embryo are in constant communication with their neighbors, and the molecules they use to send and receive signals are essential for normal embryogenesis. Several intracellular signaling pathways have been identified, some of which are activated in response to secreted growth factors.
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Discuss how the patient experiencing abnormal body cell repair related to the cut and the child's reproduction development malfunctions alter haploid and diploid cell development.
Both haploid and diploid cells can undergo mitosis. When a haploid cell undergoes mitosis, it produces two genetically identical haploid daughter cells; when a diploid cell undergoes mitosis, it produces...
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How does the adaptations in the hind feet structure of a dog, a goat, and a human, affect their movements?
Hind limbs of a dog have a slightly greater limb mass than their fore limbs. The hind limbs play an important role in primary propulsion as they are located relatively...
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Is temporal arch only restricted to reptilian skull?
No, temporal arch is present in most terrestrial vertebrates. But, it is has specificities in organization in each group. The classical temporal arch is present in reptilians, excepting snakes. It...
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What are the muscle movements involved in cycling and explain the joints only the lower body?
Quadriceps, hamstrings, calf and shin muscles, and gluteal muscles are the main muscles used in cycling. The start of the pedal cycle begins with the gluteals that take the hip...
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What are the muscle movements involved in swimming and explain the joints only the upper body?
Human Anatomy and PhysiologyFlexion and extension are the muscle movements experienced during the freestyle swimming motion. These movements take place around the elbow and Radioulnar joints. Biceps brachii short head,...
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Why is the growth in insects restricted and how do they overcome this hindrance
Growth in insects is restricted by their exoskeleton made of chitin. They overcome this problem by molting. After the removal of old hard chitin layer, insects become covered with new...
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crystallization process is restricted to
Crystallization process is restricted to the concentration of solution.
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