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5 Written questions

5 Matching questions

  1. Eukaryotic Cells
  2. Vacuoles (Eukaryotic cells)
  3. Covalent bonds
  4. fat
  5. nucleic acids
  1. a two 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
  2. b strong bonds where atoms share electrons - two or more atoms held together by a covalent bond are called a molecule
  3. c = 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.
  4. d larger vesicles, membranous sacs that help in digestion, storage, or water removal
  5. e have a membrane that surrounds nuclear material
    Components: Nucleus, Cytoplasm, Organelles, hydrophilic heads, hydrophobic tails,

5 Multiple choice questions

  1. determine chemical properties of atoms = how it will react (bond) with other atoms
  2. Combine to form compounds. Are formed of atoms.
  3. 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
  4. elements with the same atomic number, different mass numbers.
  5. 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 True/False questions

  1. hydrogen bondsmolecules of carbon + hydrogen

          

  2. Golgi Apparatus (Eukaryotic cells)receives packages such as transport vesicles on one side, modifies products, then repackages in new transport vesicles for other sites

          

  3. Endomembrane system (Eukaryotic cells)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

          

  4. Hydrocarbons=some molecules have charged areas - this makes them polar. Polar areas of molecules can bond with polar areas of other molecules to form weak bonds called hydrogen bonds, hydrogen bonds make water cohesive

          

  5. Ionic bondssome molecules have charged areas - this makes them polar. Polar areas of molecules can bond with polar areas of other molecules to form weak bonds called hydrogen bonds, hydrogen bonds make water cohesive

          

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