Copyright 2015 Wolters Kluwer All Rights Reserved Movement of Substances across

Copyright 2015 wolters kluwer all rights reserved

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Copyright © 2015 Wolters Kluwer • All Rights ReservedMovement of Substances across the Plasma Membrane (cont.)?Pop Quiz3.6Cells crenate when they are placed in solutions that areA)CatatonicB)HypertonicC)HypotonicD)Isotonic
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Copyright © 2015 Wolters Kluwer • All Rights ReservedMovement of Substances across the Plasma Membrane (cont.)?Pop Quiz Answer3.6Cells crenate when they are placed in solutions that areA)CatatonicB)HypertonicC)HypotonicD)Isotonic
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Copyright © 2015 Wolters Kluwer • All Rights ReservedProtein SynthesisLearning Objectives 7.Describe the composition, location, and function of the DNA in a cell. 8.Compare the functions of three types of RNA in cells. 9.Explain briefly how cells make proteins.
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Nucleotides contain adenine (A), guanine (G), cytosine (C), or uracil (U) Sugar: ribose Structure Double-stranded helix formed by nucleotide pairing A–T; G– C Single strand Function Makes up the chromosomes, hereditary units that control all cellular activities; divided into genes that carry the nucleotide codes for the manufacture of proteins Manufacture proteins according to the codes carried in the DNA; three main types: messenger RNA (mRNA), ribosomal RNA (rRNA), and transfer RNA (tRNA)
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