Exploration: Building DNA Vocabulary: double helix‚ DNA‚ enzyme‚ mutation‚ nitrogenous base‚ nucleoside‚ nucleotide‚ replication Gizmo Warm-up The Building DNA Gizmo™ allows you to construct a DNA molecule and go through the process of DNA replication. Examine the components that make up a DNA molecule. 1. What are the two DNA components shown in the Gizmo? Nucleosides and phosphates 2. A nucleoside has two parts: a pentagonal sugar (deoxyribose) and a nitrogenous base (in color). When a nucleoside
Premium DNA
AP BIO REVIEW ~ UNIT 1 BIOCHEMISTRY ELEMENTS‚ COMPOUNDS‚ ATOMS‚ MOLECULES‚ IONS AND BONDS Matter: anything that has mass and takes up space Element: matter in its simplest form Compound: two or more elements combined in simple whole number ratios of atoms Atom: the smallest form of an element that still displays its particular properties Consists of a nucleus of positively charged protons and neutrally charged neutrons an electron cloud of negatively charged electrons An atom is
Free Atom Electron Ion
chemical energy from organic fuel molecules. Cellular respiration occurs in eukaryotic and prokaryotic cells. It has three main stages: glycolysis‚ the citric acid cycle‚ and electron transport. Stage one glycolysis means the “splitting of sugar”. Glycolysis is a six carbon glucose molecule which is then broken in half‚ forming two three carbon molecules. The initial split requires an energy investment of two ATP molecules per glucose. Then the three carbon molecules donate high energy electrons to
Premium Adenosine triphosphate Cellular respiration Metabolism
atoms or molecules in a liquid state (or solid state if the substance sublimes) gain sufficient energy to enter the gaseous state. The thermal motion of a molecule must be sufficient to overcome the surface tension of the liquid in order for it to evaporate‚ that is‚ its kinetic energy must exceed the work function of cohesion at the surface. Evaporation therefore proceeds more quickly at higher temperature and in liquids with lower surface tension. Since only a small proportion of the molecules are
Premium Chemistry Water Temperature
Molecules of Life 4 Critical large Molecules- 1.) Carbohydrates 2.)Lipids 3.)Proteins 4.) Nucleic Acids -On the molecular scale‚ members of three of these classes--- Carbohydrates‚proteins‚ and nucleic acids--- are huge and therefore called Macromolecules. - Architecture of a large biological molecule helps explain how that molecule works. ---------------------------------------------------------------------------------------------------------------------------- Macromolecules
Premium Polysaccharide Carbohydrate Cell wall
A hot spring on a snowy day The Kinetic Molecular View of the Three States The characteristic properties of gases‚ liquids‚ and solids can be understood in terms of the energy of motion (kinetic energy) of particles (atoms‚ molecules and ions) of each state compared to the energy of the intermolecular interactions between particles. The Kinetic Molecular View of the Three States The state of a substance depends largely on the balance between the kinetic energies
Premium Water Atom Fundamental physics concepts
Heating increases the kinetic (translational‚ rotational‚ and vibrational) energy of the atoms composing elements and the molecules or ions composing compounds. As the kinetic (translational) energy of the atoms‚ molecules‚ or ions increases‚ the temperature of the matter increases. Heating a sample of a crystalline solid increases the kinetic (vibrational) energy of the atoms‚ molecules‚ or ions. When the kinetic (vibrational) energy becomes great enough‚ the crystalline structure breaks down‚ and the
Premium Chemistry Chemical reaction Oxygen
Biology Notes 1.02 Sometimes a practice or belief claims to be science but does not follow the scientific method or cannot be proven reliable through experimentation. These practices are examples of pseudoscience‚ which literally means "fake science." Charms‚ astrology = stars‚ and phrenology= reading the bump on skull 1.03 * In the mid 1600s in the Netherlands‚ the scientist Antonie van Leeuwenhoek developed the first known microscope using a single magnifying lens. He was the first person
Premium Water Chemical bond Atom
to exist. It has many unique features compared to other molecules of its size. For example solid ice is less dense than liquid ice‚ which ponds and lakes freeze from the top down. This is important in insulating the aquatic life in the winter. This essay however will be looking at why water is so important in biochemical terms. Its shape Water‚ as its formula H2O suggests‚ consists of one oxygen bonded singularly to two hydrogen molecules (see fig 1.) Common sense would dictate that each hydrogen
Premium Oxygen Amino acid Protein
Experiment 3: Electronic structure‚ bonding and shape of some simple inorganic molecules. Introduction: In quantum chemistry‚ electronic structure is the state of motion of electrons in an electrostatic field created by stationary nuclei. The term encompass both the wave functions of the electrons and the energies associated with them. Electronic structure is obtained by solving quantum mechanical equations for the aforementioned clamped-nuclei problem. Electronic structure problem arise from the
Premium Chemical bond Atom Covalent bond