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The reason that O2 despite a larger MW 32 has a smaller diameter than N2 MW 28 lies in the electronic structure of the molecules As indicated by quantum mechanical theory of molecules the electro. Covalent Compounds. Warmup. – write out the answer. Identify these compounds as covalent or ionic. SiO. 2 . is _____. FeS. 2 . is _____. cobalt(III) chlorate is _______. H. 2. O is _______. An ionic bond is____. Option D. D1 Origin of Life on Earth. All syllabus statements ©IBO 2007. All images CC or . p. ublic domain or link to original material,. Jason de Nys. AISHK. http://www.flickr.com/photos/euthman/216030298/. Dipl. Ing. Konrad Kaufmann. The following illustrated description serves as explanation for the actors. . The explanation is arranged into small steps to illustrate what should happen. . Alongside these steps, biochemical simplifications are discussed. . Dipl. Ing. Konrad Kaufmann. The following illustrated description serves as explanation for the actors. . The explanation is arranged . into small . steps to illustrate what should happen. . Accompanying . Squares. Do Now: List two characteristics of yourself that people say you got from your mother and two characteristics that you got from your father. . What are Punnet . Squares?. Punnet . Squares . is a tool used to predict how a offspring will look based on the Parents’ trait.. Carbohydrates, Lipids, Proteins, and Nucleic Acids. Is it made of carbohydrates?. Carbohydrates. Carbohydrates. Organic compounds composed of carbon, hydrogen, and oxygen in a 1:2:1 ratio.. A carbohydrate with 6 carbon atoms would have…. Biologically Important . Molecules. . There are four biologically important groups of molecules found in living organisms.. . . They are:. Carbohydrate. . . Biologically Important . Molecules. . Chapter 2,. Sections 3 & 4 . Pages 44-48, 51-53. What is an Organic Compound?. Anything that contains the following two elements:. Carbon & Hydrogen. I. The Role of Carbon. A. Carbon can bond with numerous other elements. NOT THE SAME AS EVOLUTION. First life. 3.6 Billion years ago. First life was likely simple. Bacteria-like. Single-celled, no organelles. Early Earth. Early Earth had . NO OXYGEN. Atmosphere had CO2, Carbon monoxide, nitrogen, water, hydrogen. purple. because they take up the stain. crystal. . violet. a. Their cell walls are made of: . one . thick layer of carbohydrate and protein molecules. . . 3. Gram-negative bacteria are coloured . What is respirationRespiration is the chemical process by which organic compounds release energy The compounds change into different ones byexergonicreactionsThere are two types of respirationaerobic Respiration can be considered the opposite process of photosynthesis. It is the transformation of food energy into chemical energy in the form of ATP. Plants and animals go through the same process of cellular respiration. 1. WHAT MOLECULES?. LOCALIZING MOLECULES. 1. WHAT MOLECULES?. 2. WITH RESPECT TO WHAT?. LOCALIZING MOLECULES. 1. WHAT MOLECULES?. 2. WITH RESPECT TO WHAT?. . SPACE: Relative to other molecules, the genome, organelles, cells, tissues, whole organisms.. “This most excellent canopy, the air” – fades with height while the airless Moon has an abrupt edge. Without the proper mix of gases in air, we would perish in seconds.. AIR CHEMISTRY. http://spaceflight.nasa.gov/gallery/images/shuttle/sts-100/hires/s100e5498.jpg.