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Molecules

1. Atoms make up _________. Molecules. 2. Molecules make up ___________. organelles. 3. A group of organelles make up _________. cells. Atoms. 4. ____________ are the smallest units of a chemical element. elements. 5. _______________

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Molecules

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  1. 1. Atoms make up _________. Molecules

  2. 2. Molecules make up ___________ organelles

  3. 3. A group of organelles make up _________ cells

  4. Atoms 4. ____________are the smallest units of a chemical element.

  5. elements 5. _______________ are substances that cannot be broken down to simpler substances like gold.

  6. A combination of two or more atoms of two or more different elements, for example H2O are _____________ and can be one element O2. molecules

  7. 2. 5. 3. 1. 1. 4. 3. protron 2. Electron 4. neutron 1. nucleus 5. electron

  8. Atoms of the same element that have different numbers of neutrons are called _____________. isotopes

  9. The three isotopes of carbon: all isotopes of an element have the same number of protons and electrons. They vary in the number of _______________ neutrons

  10. Scientists have developed some useful ways to use different isotopes in medicine because they are ________________ Radioactive

  11. A ____________is a substance made of atoms of two or more elements. Examples are (H2 O) or table salt (NaCl). The properties of a compound are (different or similar) from the properties of the individual elements that make it up. compound different

  12. When atoms come together by sharing electrons the bond is a ______________ bond. covalent

  13. A(an) __________ is a positively or negatively charged atom, like Cl- (negatively charged) Na +(positively charged) ion

  14. Two oppositely charged ions bind together called and ___________ bond. NaCl (table salt is an example) ionic

  15. Chemical Relations occur when bonds are formed and ________, Chemical reactions occur inside cells. All of the chemical reactions that take place within an organism are known as that organism’s _____________ broken metabolism

  16. CO2 + H2O C6 H12 O6 + 02 Chemical Reactions ? 1. Sun ? 2. ? 3. 1. reactants 2. products 3. equilibrium

  17. A ______________is a combination of substances in which the individual components retain their own properties. mixture

  18. A ________________is a mixture in which one or more substances (solutes) are distributed evenly in another substance (solvent). solution

  19. A pH of 2 is a strong (base / acid /neutral) Acid A pH of 7is (base / acid / neutral) neutral

  20. Name the ion (charged particle) associated with Acids: ______ hydrogen ion Bases: ______ hydroxide ion H+ OH-

  21. Some molecules do not share electrons equally. They form a __________ bond, an example is the water molecule. The hydrogen is partially ___ And the oxygen is partially ___ polar + --

  22. The net movement of particles from an area of higher concentration to an area of lower concentration. Diffusion Diffusion continues until there is no ____________ _________ Concentration gradient

  23. What is the diffusion of water across a differentially (selectively) permeable membrane due to concentration differences. osmosis

  24. What type of osmosis is this?(Isotonic, hypotonic, or hypertonic)Does cell shrink, expand, or stay the same? isotonic Stays the same

  25. What type of osmosis is this?(Isotonic, hypotonic, or hypertonic)Does cell shrink, expand, or stay the same? hypotonic expands

  26. What type of osmosis is this?(Isotonic, hypotonic, or hypertonic)Does cell shrink, expand, or stay the same? hypertonic shrinks

  27. Hypotonic Hypertonic Isotonic

  28. What biological molecule is used for energy and to create structures? carbohydrates What are the building blocks for carbohydrates? Simple sugars- glucose

  29. Phospholipid Name this structure. phospholipid

  30. Fill in the blanks; Lipids are used by cells for _____ ________, insulation, and ___________ coatings, such as in _____________. Energy storage protective membranes

  31. ___________ provide structure for tissue and organs and carry out cell metabolism and provide the body with the ability to move muscles. proteins

  32. enzymes __________, speed up reactions and are a type of protein.

  33. There are two kinds of nucleic acids, _______ and ________. Both are involved in the storage and flow of information from gene to gene product. rNA DNA

  34. What is this structure? What is the name of the biological structure? dna Nucleotides

  35. vesicle vacuole plasma membrane solute receptor protein coated vesicle solute coated pit What is the cell process of taking in of large molecules? endocytosis

  36. What is the cell process of removing large molecules? exocytosis

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