By Eldra Solomon, Linda Berg, Diana W. Martin

Learning biology in trendy fast moving atmosphere the place new examine is cropping up day-by-day is exciting--and additionally a piece daunting, until you've got definitely the right textbook that can assist you make feel of all of it. well liked by scholars at faculties national, Solomon, Berg, and Martin's BIOLOGY is usually defined because the most sensible textual content on hand for studying biology. jam-packed with assets to lead your examine, the 8th variation brings readability to key recommendations because it attracts you into the buzz of latest examine in genetics, cellphone verbal exchange, evolution, and plenty of different issues. The book's in-chapter studying approach is sort of a integrated learn advisor, focusing your recognition on key studying targets. the various text's colourful illustrations are correlated with lively figures on-line so that you can interactively examine and strengthen your figuring out of complicated techniques.

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The information coded in sequences of nucleotides in DNA transmits genetic information from generation to generation. The code works somewhat like an alphabet. The nucleotides can “spell” an amazing variety of instructions for making organ- 8 Chapter 1 Genes control the development and functioning of every organism. The DNA that makes up the genes contains the “recipes” for making all the proteins required by the organism. Proteins are large molecules important in determining the structure and function of cells and tissues.

There are two fundamentally different types of cells: prokaryotic and eukaryotic. Prokaryotic cells are exclusive to bacteria and to microscopic organisms called archaea. All other organisms are characterized by their eukaryotic cells. These cells typically contain a variety of organelles enclosed by membranes, including a nucleus, which houses DNA. Prokaryotic cells are structurally simpler; they do not have a nucleus or other membrane-enclosed organelles. Organisms grow and develop Biological growth involves an increase in the size of individual cells of an organism, in the number of cells, or in both.

We use an evolutionary framework to discuss each group of organisms, presenting current hypotheses of how groups of organisms are related. Chapter 23 discusses why organ- Part 2: Energy Transfer through Living Systems Preface xxix isms are classified and provides insight into the scientific process of deciding how they are classified. New advances have enabled us to further clarify the connection between evolutionary history and systematics in the eighth edition. Chapter 24, which focuses on the viruses and prokaryotes, contains a major revision of prokaryote classification and new sections on evolution in bacteria and on biofilms.

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