Chemistry Review - Chemistry Review for Biology 151 In...

Info icon This preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Chemistry Review for Biology 151 In Biology 151 it is assumed that you have had an introductory chemistry course. If not, or if you need to brush up, chapters 2 in your textbook review the chemistry that will help you understand biology. This material will not be covered in class but knowledge of this material will be assumed. To help, an outline of the important points follows. I. Biological material is made up of matter A. Most common elements are oxygen, carbon, hydrogen 1. The chemistry of water and carbon dioxide are particularly important 2. Other elements in the human body, nitrogen, Ca, P, K, S, Na, Cl, Mg, Fe B. Element, a substance that cannot be broken down to other substances by chemical reactions C. Atom, the basic unit, composed of protons, electrons, and neutrons 1. Number of protons in an atom determines which element 2. Imbalance of charges by too many or few electrons creates an ion a. cation, (positive charge) anion (negative charge) 3. Variations in neutron number makes different isotopes a. Can be stable (s) or radioactive (r)
Image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern