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5 Written questions

5 Matching questions

  1. functional groups
  2. Carbon skeleton
  3. Levels of Organization
  4. Isotopes
  5. Endomembrane system (Eukaryotic cells)
  1. a chain of carbon atoms in an organic molecule
  2. b a system of interconnected membranes that run throughout the cell for synthesis, storage, and transport of products
  3. c are parts of a molecule that participate in a chemical reaction
  4. d biosphere, ecosystem, community, population, organism, organ system, organs, tissues, cells, organelle, molecule, atom
  5. e elements with the same atomic number, different mass numbers.

5 Multiple choice questions

  1. a biosynthetic factory, two forms, smooth and rough - Rough - studded with ribosomes, small RNA structures where proteins are manufactured, Smooth - lack ribosomes, wall contains enzymes that make phospholipids, steroids, fatty acids, detoxify poisons, and store minerals used for muscle contraction -________ packages products in tiny sacs called transport vesicles that bud-off
  2. ibers that run through the cell providing support, movement, anchorage and movement of organelles, 3 types - microfilaments, intermediate filaments, microtubules - the microtubule organizing center is called the centriole
  3. forms our genes,
  4. single sugar units such as glucose (= a monosaccharide) are joined to form disaccharides such as maltose which can be joined to other sugars to form polysaccharides such as starch (plants) or glycogen (animals), cellulose is a large polysaccharide made by plants that is not easily broken down, chitin is a polysaccharide used by insects to build their exoskeleton - ________ are important sources of energy, and for building structures in plants and animals
  5. number of protons

5 True/False questions

  1. fat= glycerol + fatty acid.
    are another source of energy but some may contribute to heart disease. Most plant __ are unsaturated oils and most animal __ are saturated.

          

  2. Lysosomes (Eukaryotic cells)small RNA structures where proteins are manufactured

          

  3. Mitochondria (Eukaryotic cells)found in plants and animals, chemical energy in food such as sugars is converted to an energy source useable in cells called ATP, ___________ have a membrane, an intermembrane space and matrix. Reactions take place in the matrix

          

  4. Elementsdetermine chemical properties of atoms = how it will react (bond) with other atoms

          

  5. nucleic acidstwo types, DNA and RNA. DNA forms our genes, RNA reads the genes and helps make proteins, __________ _____ are composed of joined monomers called nucleotides. These nucleotides are composed of a sugar - deoxyribose (DNA) or ribose (RNA), a nitrogenous base (adenine, thymine, cytosine, guanine, or uracil), and a phosphate group