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Mitochondrial Dna

Beginning of paper
G proteins, named after the fact they bond with guanine nucleotides, are largely responsible for intercellular communications within the human organism. These transmissions regulate such functions as hormone secretion, muscle contaction, and even cognition. These transmissions take place because of chemical reactions between enzymes th ....

Middle of paper
.... by photons that strike rhodopsin. When the rhodospin it activates the G protein, transductin, to travel to the effector enzyme, and thus regulates the levels of soduim ions (Na+). The eye cells become hyperpolarized, thus producing a negative charge, signaling visual data to the brain. The two afore mentioned receptors are just hundreds that exist in the human body. All the receptors employ the help of G proteins to produce such signa ....

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Number of words: 349
Number of pages: 2 (approx. 250 words per double-spaced page)

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