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What are the Neuron transmitters in smooth muscle?

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Erwin Chargaff investigated the nucleotide composition of DNA. He analyzed DNA from various organisms and measured the relative amounts of adenine (A), guanine (G), cytosine (C), and thymine (T) present in the DNA of each organism. Table 1 contains a selected data set of his results.Table 1. Nucleotide composition of sample DNA from selected organisms Which of the following statements best explains the data set?(A)Since the %A%A and the %G%G add up to approximately 50 percent in each sample, adenine and guanine molecules must pair up in a double-stranded DNADNA molecule.(B)Since the %A%A and the %T%T are approximately the same in each sample, adenine and thymine molecules must pair up in a double-stranded DNADNA molecule.(C)Since the %(A+T)%(A+T) is greater than the %(G+C)%(G+C) in each sample, DNADNA molecules must have a poly-AA tail at one end.(D)Since the %C%C and the %T%T add up to approximately 50 percent in each sample, cytosine and thymine molecules must both contain a single ring.

Read the excerpt from Julius Caesar, act 1, scene 2.BRUTUS. Into what dangers would you lead me, Cassius, / That you would have me seek into myself / For that which is not in me?CASSIUS. Therefore, good Brutus, be prepared to hear. / And since you know you cannot see yourself / So well as by reflection, I, your glass, / Will modestly discover to yourself / That of yourself which you yet know not of. / And be not jealous on me, gentle Brutus. / Were I a common laugher, or did use / To stale with ordinary oaths my love / To every new protester; if you know / That I do fawn on men and hug them hard / And after scandal them: or if you know / That I profess myself in banqueting / To all the rout: then hold me dangerous.Which statement best summarizes the conflict in this passage?

One of the evolutionary "enigmas," or unsolved puzzles, of sexual reproduction is thatA) sexual reproduction allows for more rapid population growth than does asexual reproduction.B) only half of the offspring from sexually reproducing females are also females.C) asexual reproduction produces offspring of greater genetic variety.D) sexual reproduction is completed more rapidly than asexual reproduction.E) asexual reproduction is better suited to environments with extremely varying conditions.

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