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BIO 101 Exam 3

bio

QuestionAnswer
1) _____ are needed to catalyze biological reactions. a. Enzymes
2) All living matter contain the following elements: a. 97% of all humans contain Carbon, Hydrogen, Oxygen, and Nitrogen
3) ______ is released when chemical bonds are _______. a. When bonds are broken energy is released.
4) All the major macromolecules consist of monomers except: a. Lipids
5) All organic molecules contain ____ atoms. a. Carbon
6) ______ are the smallest unit of matter and contain these three particles: a. Atoms= Electrons, Protons, and Neutrons.
7) Which of the following is an important property of water? a. Water is less dense when it freezes, therefore ice floats. This allows life to live under the frozen layer (of ice) at the top or at the surface. b. Water is a polar molecule; and many org
8) Macromolecules built from nucleotides are known as: a. Nucleic Acids (DNA/RNA)
1) Photosynthesis is comprised of ___ & ____ reactions. a. Comprised of Light and “Dark” reactions.
Created by: karayosh
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