Cell culture is when cells are grown under controlled conditions and usually outside of their natural environment. Organ culture like culturing roots, root hairs ,shoot tip, buds, cotyledons ,ovules ,pollen grains, young leaves, these are organs. Hoped I helped!
Yes there are. They are technically called the american bison and they are usually found on wild life preserves and recently have been reintroduced to Indiana. They are mainly found in Canada
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It always contains certain elements. ( second choice)
It always contains elements in definite proportions. ( fourth choice)
1. It connects a large part of the peripheral nervous system to the brain. 2. Nerve impulses reach the spinal cord through sensory neurons are transmitted up into the brain.
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Ok, so what electronegativity means is it measures the tendency of an atom to attract a shared pair of electrons. It is modified by both its atomic number and the distance at which its valence electrons equivalent from the charged nucleus.
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