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false Isotopes. An isotope is one of two or more forms of the same chemical element. Different isotopes of an element have the same number of protons in the nucleus, giving them the same atomic number, but a different number of neutrons giving each elemental isotope a different atomic weight.
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Hamilton County Department of Education High School Course markers 9-12, 2002-2003; 4.H.1- Apply the concepts of forces, motion, energy, electricity, and magnetism to the study of the earth and the universe
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<span>contractile vacuole
Contractile vacuoles are organelles that are responsible for excretion function. They perform osmoregulation which manages wastes, water and other needed materials in the cell. They are found in some prokaryoric organisms like the algae, protists, amoeba and other unicellular organisms.
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DNA and daughter cells are two new cells produced after cell division
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first of all our eyes recognise to train and send the message to our brain then our ears and then the brain send motor impulses to muscles of leg