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Q. What is rigor mortis?
Dead bodies are at first limp. Many hours after death, skeletal muscles undergo a partial contraction that fixes the joints. This condition, called rigor mortis, may continue for 72 hours or more. When neurons signal living muscle fibres to contract, they do so with a neurotransmitter which is received at the surface of the muscle fiber. Signal makes the fiber open calcium ion channels and it is the calcium which causes the contraction. Muscle then removes the calcium in two ways: it stores some in its mitochondria and it pumps out the rest. When a body dies, stored calcium leaks and calcium pumps no longer function. Excess calcium causes the actin and myosin filaments of muscle fibers to remain linked, stiffening whole body until the muscles begin to decompose.
Dicotyledons (2,00,000 species) The dicot's are of diverse nature. The leaves are net veined, stem contains ring of vascular bundles, cambium tissue is present so secondary
How to improve natural history of adults with congenital heart disease? Improving the natural history of adults with CHD: As mentioned above the populations of adults with CH
-The expected phenotypic ratio of offspring. -The expected genotypic ratio of offspring. -Calculate the expected values you would use on a chi-square test (use genotypic rati
Q. The releasing of digestive secretions is controlled by hormones. What are the hormones that participate in this regulation? The hormones that participate in the regulation o
What are the extraembryonic membranes present in vertebrates? The extraembryonic membranes that might be present in vertebrates are the yolk sac, the amnion, the chorion, the
Q. Can we make artificial cells? Research in progress at the "National Aeronautical and Space Administration (NASA)" is focused on artificial cells as a means to deliver medici
Q. Explain about Dry heat sterilization? It is used to sterilize glass ware, forceps, scissors, scalpels, all glass syringes, swabs, some pharmaceuticals products such as liqui
Eutrophication "Runaway" growth of the aquatic plants which takes place when agricultural fertilizers containing the phosphorus and nitrogen run off into lakes and ponds; also ult
To obtain the correct Healing Collar the following steps need to be followed: - Determine the si-e of the implant platform.76 Practical Manual - Select the emergence profile
WHICH SOIL WILL BE FRUIFUL FOR GROWING LENTILS AND OTHER PULSES
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