bio 100

  1. Which of the following contains prokaryotic cells?




    A) the archaea
  2. The molecule associated with energy transfer in living organisms is:




    A) ATP
  3. A community and its physical and chemical environment constitue:




    B) an ecosystem
  4. The molecule of inheritance is:




    B) deoxyribonucleic acid
  5. Which of the following is not a requirement of all living things:





    D) breathing
  6. The one-way flow of energy through the biosphere starts with energy input from:




    D) the sun
  7. The scientific name for human is HOMO SAPIENS. HOMO is the genus and SAPIENS is the specie. The scientific way to refer to human is:

    a) Homo sapiens
    b) Sapiens Homo
    c) homo Sapiens
    d) Homo sapiens
    e) Sapiens homo
    d) Homo sapiens
  8. Decomposers include certain bacteria and fungi.
    True
  9. Sexual reproduction results in offspring that are genetically identical to the parent.
    False
  10. The atom of element Phosphorus has 16 neutrons and 15 electrons. What is the atomic number for Phosphorus atom?
    15
  11. Element Helium(He) has atomic number of 2. Do you consider this element reactive or inert?
    Inert
  12. Atoms gains or lose electrons to form



    C) ionic bonds
  13. The normal range of blood pH indicates:




    A) 7.3-7.5
  14. Two atoms of oxygen are bond together by double covalent bond. How many electrons do they share?




    A) 4
  15. True or False:
    Neutrons are negatively charged.
    False
  16. True or False:
    Water is a great solvent of polar molecules.
    True
  17. True or False:
    In a polar covalent bond, electrons are equally shared.
    False
  18. Loss of a protein's normal 3-D shape because of high temperatures or changes in pH is called:




    D) denaturation
  19. True or False:
    In a condensation reaction, small molecules come together to make a large molecule.
    True
  20. True or False:
    Ribose is a 6-carbon monosaccharide.
    False
  21. Match the Terms with their most suitable descriptions:

    ___ building blocks of nucleic acids










    G. nucleotides
  22. Match the Terms with their most suitable descriptions:

    ___ building blocks of protein are










    B. amino acids
  23. Match the Terms with their most suitable descriptions:

    ___ building blocks of most lipids are and










    H. fatty acids
  24. Match the Terms with their most suitable descriptions:

    ___ building blocks of carbohydrates










    E. monosaccharides
  25. True or False:
    If a solution outside of a cell contains a greater concentration of dissolved solutes than the contents of the cell, the solution is said to be hypotonic.
    False
  26. In active transport solutes are transported down their concentrated gradient.
    False
  27. Phospholipids contain a hydrophobic head and two hydrophillic tails.
    False
  28. Plant cells but not animal cells have:





    A) c & d
  29. Match the Terms with their most suitable descriptions:

    ____ synthesis of proteins takes place in

    mitochondrion
    b. vesicles
    c. lysomes
    d. nucleic acids
    e. amino acids
    f. amyloplasts
    g. chromoplasts proteins
    h. chloroplasts
    i. covalent
    j. Golgi bodies
    k. smooth ER
    l. rough ER
    m. nucleolus
    n. flagella
    o. nucleus
    l. rough ER
  30. Match the Terms with their most suitable descriptions:

    ____ photosynthesis takes place in















    C. chloroplasts
  31. Match the Terms with their most suitable descriptions:

    ____ synthesis of lipids takes place in















    H. smooth ER
  32. Match the Terms with their most suitable descriptions:

    ____ modify, sort, package & ship & lipids















    E. Golgi bodies
  33. Match the Terms with their most suitable descriptions:

    ____ provide movement for the cells















    I. flagella
  34. Match the Terms with their most suitable descriptions:

    ____ digestion in the cell is done by















    O. lysomes
  35. Match the Terms with their most suitable descriptions:

    ____ ATP is produced in















    E. mitochondrion
  36. Multiple Choice:
    Enzymes:





    A) a & b
  37. The final product(s) of glycolysis include:





    B) b & c
  38. Oxygen is formed during:




    A) the non-cyclic pathway of ATP formation
  39. Cell's ability to acquire energy and to use it to, store, build, or break apart substances is called:




    B) metabolism
  40. True or False:
    In the non-cyclic pathway of the light-dependent stage of photosynthesis, two photosystems are involved.
    True
  41. True or False:
    Glucose is formed in the light-dependent stage of photosynthesis.
    False
  42. True or False:
    The starting molecule in glycolysis is pyruvate.
    False
  43. True or True:
    Krebs cycle of aerobic respiration takes place in the cytoplasm.
    False
  44. True or False:
    CO2 is released during the Krebs(citric acid) cycle.
    True
  45. True or False:
    Light-independent stage of photosynthesis takes place in the grana.
    False
  46. True or False:
    In exergonic reactions, energy is released.
    True
  47. True or False:
    According to the second law of thermodynamics, the entropy in the universe is increasing.
    True
  48. What would be the complimentary strand of DNA to the Dna strand below?

    DNA A-T-C-G-T-T-G-A-C-A-T-T
    T-A-G-C-A-A-C-T-G-T-A-A
  49. One species' DNA differs from others in its




    C) nucleotide sequence
  50. DNA replication results in




    B) two molecules, each with one old strand and one newly assembled strand of nucleotides
  51. Match the Terms wirh their most suitable descriptions:

    ____ DNA binding proteins






    C. stabilize the single-stranded DNA
  52. Match the Terms wirh their most suitable descriptions:

    ____ DNA polymerase






    C. obtains nucleotides and correctly pairs them
  53. Match the Terms wirh their most suitable descriptions:

    ____ ligase






    F. attaches small gaps
  54. Match the Terms wirh their most suitable descriptions:

    ____ helicase






    A. unwinding enzyme
  55. Match the Terms wirh their most suitable descriptions:

    ____ Watson & Crick






    D. discovered the double helix structure of DNA
  56. Match the Terms wirh their most suitable descriptions:

    ____ Rosalind Franklin






    B. provided excellent x-ray diffraction images of DNA
  57. What would be the mRNA transcribed from this DNA sequence?

    DNA T-A-C-A-T-A-A-G-G-A-A-T-T-C-T-A-C-T

    For how many amino acids does this mRNA sequence code?
    mRNA A-U-G-U-A-U-U-C-C-U-U-A-A-G-A-U-G-A; 5
  58. The RNA molecule is




    B) single-stranded
  59. mRNA is produced by



    A) transcription
  60. The five-carbon sugar found in RNA is:




    B) ribose
  61. The loading of mRNA onto an intact ribosome occurs during




    A) translation
  62. True or False:
    The enzyme used during transcription is DNA polymerase.
    False
  63. True or False:
    A codon is a double nucleotide on mRNA.
    False
  64. Match the description with the corresponding stage of translation:

    ___ initiation





    A. the first tRNA carrying methionine binds ribosome and mRNA
  65. Match the description with the corresponding stage of translation:

    ___ elongation





    D. tRNA molecules carrying amino acids add to the growing polypeptide chain
  66. Match the description with the corresponding stage of translation:

    ___ termination





    C. a stop codon is reached
Author
adiana
ID
28486
Card Set
bio 100
Description
review questions
Updated