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Life’s potent combination of expertly crafted media, assessment, pedagogy and engagement makes this new edition the best resource yet for biology students.
biological molecules—nucleic acids, proteins, carbohydrates, and lipids—that are the fundamental components of living matter. Biologists study these important molecules to understand their unique structures which determine their specialized
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Concepts of Biology provides a comprehensive overview of all topics that would typically be taught in an introductory biology course, from the molecular and cellular basis of life, to the structure and function of the human body, ecology and evolution.
Dec 5, 2016 · The book does contain a comprehensive list of biological topics for an introductory biology class. However, the book lacks the detail required to be the primary textbook for students. It is a good outline for an introductory class for the instructor.
- LEARNING OBJECTIVES
- OH
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- There are three major kinds of biological polymers
- Question The diameter of a typical spherical bacterial cell is about 1 μm. What is the cell’s volume?
- OH H
- LEARNING OBJECTIVES
- SAMpLE CALCULATION 1.1
Identify the major classes of biological molecules. List the elements found in biological molecules. Draw and name the common functional groups in biological molecules. Draw and name the common linkages in biological molecules. Distinguish the main structural features of amino acids, carbohydrates, nucleotides, and lipids. Identify the monomer...
OH OH Glucose In the representation of the cyclic structure, the darker bonds project in front of the page and the lighter bonds project behind it. In many monosaccharides, one or more hydroxyl groups are replaced by other groups, but the ring structure and multiple groups of these mole cules allow them to be easily recognized as carbohydrates. 3. ...
Cholesterol Cells also contain a few other small molecules that cannot be easily classified into the groups above or that are constructed from molecules belonging to more than one group.
In addition to small molecules consisting of relatively few atoms, organisms contain macro molecules that may consist of thousands of atoms. Such huge molecules are not synthesized in one piece but are built from smaller units. This is a universal feature of nature: A few kinds
of building blocks can be combined in different ways to produce a wide variety of larger struc-tures. This is advantageous for a cell, which can get by with a limited array of raw materi als. In addition, the very act of chemically linking individual units (monomers) into longer strings (polymers) is a way of encoding information (the sequence of t...
In part because nucleotides are much less variable in structure and chemistry than amino acids, nucleic acids tend to have more regular structures than proteins. This is in keeping with their primary role as carriers of genetic information, which is contained in their sequence of nucleotide residues rather than in their three-dimensional shape (Fig...
Explain how enthalpy, entropy, and free energy apply to biological systems. Define enthalpy, entropy, and free energy. Write the equation that links changes in enthalpy, entropy, and free energy. Relate changes in enthalpy and entropy to the spontaneity of a process. Describe the energy flow that makes living systems thermodynamically possible. Ass...
Problem Use the information below to calculate the change in enthalpy and the change in entropy for the reaction A → B.
Jul 27, 2021 · Many traditional biological concepts continue to be debated by biologists, scientists and philosophers of science. The specific objective of this brief reflection is to offer an alternative vision to the definition of life taking as a starting point the traits common to all living beings.
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