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5 Written Questions

5 Matching Questions

  1. Lipids
  2. Isotopes
  3. Endomembrane system (Eukaryotic cells)
  4. DNA
  5. Prokaryotic Cells
  1. a forms our genes,
  2. b these are non-polar, hydrocarbons, which are composed of fat molecules. Fat = glycerol + fatty acid. _______ are 1) important components of cell membranes (phospho_______), 2) molecules (steroids) that regulate cell function, and 3) molecules (waxes) that protect other cells
  3. c lack a membrane enclosed nucleus
    Nucleoid region, Ribosomes, Plasma membrane, Cell wall, Capsule, Pili, Flagella
  4. d a system of interconnected membranes that run throughout the cell for synthesis, storage, and transport of products
  5. e elements with the same atomic number, different mass numbers.

5 Multiple Choice Questions

  1. larger vesicles, membranous sacs that help in digestion, storage, or water removal
  2. chain of carbon atoms in an organic molecule
  3. biosphere, ecosystem, community, population, organism, organ system, organs, tissues, cells, organelle, molecule, atom
  4. have a membrane that surrounds nuclear material
    Components: Nucleus, Cytoplasm, Organelles, hydrophilic heads, hydrophobic tails,
  5. =Mass number=protons+ neutrons

5 True/False Questions

  1. Lysosomes (Eukaryotic cells)hydrolytic enzymes are manufactured by the ER sent to the Golgi for finishing and repackaging in sacs called _________, ___________ merge with food vacuoles to digest food or destroy invading organisms -Abnormal __________ can cause diseases include Tay-Sachs - inability to break down lipids resulting in damage to nerves and brain

          

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

          

  3. Electronsdetermine chemical properties of atoms = how it will react (bond) with other atoms

          

  4. 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

          

  5. hydrogen bondsmolecules of carbon + hydrogen

          

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