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Basic Biology I: Cells

Basic Biology I: Cells

Basic Biology I: Cells. How organisms work. Outline. Chemistry (pp. 8-10): atoms, molecules and bond, polar bonds, water Biochemistry (pp. 11-17): four basic macromolecules Cells (pp. 20-29): membrane, osmotic pressure, organelles, endosymbiosis, cell division, gene expression

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697 views • 57 slides
Chemistry of Cells

Chemistry of Cells

Chemistry of Cells. Objectives. Describe the distinguishing characteristics of carbohydrates Describe the important biological functions of polysaccharides Explain what distinguishes lipids from other classes of biological macromolecules

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510 views • 40 slides
Properties of water

Properties of water

Properties of water. Polarity Hydrogen bonding potential Specific heat, heat of vaporization Nucleophilic Ionization. It is the unique combination of properties of water that make it the perfect solvent for biological systems. We will discuss each of these properties in more detail.

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882 views • 36 slides
Ch. 2 Basic Chemistry

Ch. 2 Basic Chemistry

Chemistry is important to biology because: Most cells functions involve chemical reactions. Cell functions are regulated. The atoms and molecules of the Earth cycle among the living and nonliving components of the biosphere. The chemical bonds of food molecules contain energy.

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525 views • 34 slides
Fig. 2-10a, p. 28

Fig. 2-10a, p. 28

Fig. 2-10a, p. 28. E lectrons spend more time orbiting the oxygen nucleus than the two hydrogen nuclei, leaving the oxygen more neg charged and the hydrogen more pos charge. Therefore, the entire molecule is "Polar", that is with one end slightly positive and one end slightly negative.

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430 views • 31 slides
Review Chapter 2 and Figure 3.35 on nucleotides.

Review Chapter 2 and Figure 3.35 on nucleotides.

Review Chapter 2 and Figure 3.35 on nucleotides. Complementary base pairs. DNA double helix. Anti-parallel. complementary. Sequence of nucleotides in human beta-globin gene The DNA sequences highlighted in color show the three regions of the gene that specify the amino acid sequence.

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284 views • 28 slides
Chemistry of Life

Chemistry of Life

Chemistry of Life. Chapter 6. Atoms. Matter- anything that has mass and takes up space Atom- smallest particle into which a substance can be divided and still retain its chemical properties. What makes up an atom?. Proton- subatomic particle in atom that has positive charge

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356 views • 28 slides
Lipids and Carbohydrates

Lipids and Carbohydrates

Lipids and Carbohydrates. Revision PowerPoint. Lipids. At room temperature, a solid lipid is called a fat and a liquid lipid called an oil

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773 views • 27 slides
Wednesday, September 19 th

Wednesday, September 19 th

Wednesday, September 19 th. Do Now: Get out your bonding notes (with the polar bear and penguin pictures). Quiz Tomorrow!! Atoms, Ions, Isotopes, pH, Bonding, Water. Turn in your pH lab and worksheet (stapled together). The Extraordinary Properties of Water. H. H. The Molecules.

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278 views • 17 slides

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