midterm 1

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  1. Which of the following contain prokaryotic cells?

    A) the archaea
    B) the fungi
    C) the protistans
    d) all of the above
    A) the archaea
    (this multiple choice question has been scrambled)
  2. The molecule associated with energy transfer in living organisms is:
    A) deoxyribonucleic acid
    B) ATP
    C) carbon
    D) lipids
    B) ATP
    (this multiple choice question has been scrambled)
  3. A community and its physical and chemical environment constitute:
    A) an organ system
    B) an ecosystem
    C) the biosphere
    D) a population
    B) an ecosystem
    (this multiple choice question has been scrambled)
  4. The molecule of inheritance is:

    A) deoxyribonucleic acid
    B) carbon
    C) lipids
    D) ATP
    A) deoxyribonucleic acid
    (this multiple choice question has been scrambled)
  5. Which of the following is not a requirement of all living things:
    a) reproduction
    b) metabolism
     c) adaptation
    d) aerobic respiration
    e) none of the above
    d) aerobic respiration
  6. The one-way flow of energy through the biosphere starts with energy input from:
    a) deoxyribonucleic acid
     b) the sun
    c) ATP
    d) aerobic respiration
    b) 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) Sapiens homo
    E) Homo sapiens
    E) Homo sapiens
    (this multiple choice question has been scrambled)
  8. Decomposers include certain bacteria and fungi.
    T
  9. Sexual reproduction results in offspring that are genetically identical to the parent.
    F
  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 gain or lose electrons to form
     a) ionic bonds
    b) covalent bonds
    c) hydrogen bonds
    a) ionic bonds
  13. The normal range of blood pH indicates:

    A) 5.5-6.3
    B) 7.8-8.3
    C) 7.3-7.5
    d) above 8.5
    C) 7.3-7.5
    (this multiple choice question has been scrambled)
  14. Two atoms of oxygen are bond together by double covalent bond. How many electrons do they share?
    a) 2
     b) 4
    c) 6
    d) 5
    b) 4
  15. Neutrons are negatively charged. T/F
    F
  16. Water is a great solvent of polar molecules. T/F
    T
  17. In a polar covalent bond, electrons are equally shared. T/F
    F
  18. Loss of a protein’s normal 3-D shape because of high temperatures or changes in pH is

       called:
    a) metabolism
     b) denaturation
    c) hydrolysis
    d) condensation
    b) denaturation
  19. In a condensation reaction, two small molecules covalently bond to form a    larger molecule. T/F
    T
  20. Ribose is a 6-carbon monosaccharide. T/F
    F
  21. building blocks of nucleic acids are
    nucleotides
  22. building blocks of proteins are
    amino acids
  23. building blocks of most lipids are glycerol &
    fatty acids
  24. building blocks of carbohydrates are
    monosaccharides
  25. 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 T/F
    F
  26. In active transport solutes are transported down their concentration gradient. T/F
    F
  27. Phospholipids contain a hydrophobic head and two hydrophillic tails. T/F
    F
  28. Plant cells but not animal cells have:
    a) Golgi bodies
    b) ER
       c) plastids
    d) central vacuole
    e) c & d
    e) c & d
  29. synthesis of proteins takes place in
    covalent
  30. photosynthesis takes place in
    chloroplasts
  31. synthesis of lipids takes place in
    smooth ER
  32. modify, sort, package &ship proteins & lipids
    Golgi bodies
  33. provide movement for the cells
    flagella
  34. digestion in the cell is done by
    lysosomes
  35. ATP is produced in
    mitochondrion
  36. What would be the complimentary strand of DNA to the DNA strand below?
           DNA      
    3’A-T-C-G-T-T-G-A-C-A-T-T 5’                  
     5’ T-A-G-C-A-A-C-T-G-T-A-A 3’
    5'- 3'
  37. One species’ DNA differs from others in its



    a) sugars
    b) phosphate groups
    c) nucleotide sequence
    d) all of the above
    nucleotide sequence
  38. DNA replication results in


    a) four molecules, half-old, and half-new strands
     b) two molecules, each with one old strand and one newly assembled strand of nucleotides
    c) three double-stranded molecules, one with new strands and two that are discarded
    d) none of the above
    b) two molecules, each with one old strand and one newly assembled strand of nucleotides
  39. DNA binding proteins    __________________
    stabilize the single-stranded DNA & the strands apart
  40. DNA polymerase
    adds DNA nucleotides to the primer to build the strand
  41. ligase
    joins Okazaki fragments seals small gaps
  42. helicase
    unwinds parental DNA double helix
  43. Primase
    produces & adds primers to template strand
  44. Watson & Crick
    discovered the double helix structure of DNA
  45. What would be the mRNA transcribed from this DNA sequence?
    DNA      
    3’T-A-C-A-T-A-A-G-G-A-A-T-T-C-T-A-C-T5/
    • mRNA      
    • 5’A-U-G-U-A-U-U-C-C-U-U-A-A-G-A-U-G-A3’
  46. The RNA molecule is
    A) single-stranded
    B) a double helix
    C) double-stranded
    d) none of the above
    A) single-stranded
    (this multiple choice question has been scrambled)
  47. mRNA is produced by
    A) transcription
    B) translation
    C) replication
    A) transcription
    (this multiple choice question has been scrambled)
  48. The five-carbon sugar found in RNA is:
    a) galactose
     b) ribose
    c) deoxyribose
    d) glucose
    b) ribose
  49. The loading of mRNA onto an intact ribosome occurs during
    A) translation
    B) transcription
    C) transcript processing
    d) none of the above
    A) translation
    (this multiple choice question has been scrambled)
  50. The enzyme used during transcription is DNA polymerase.___ T/F
    F
  51. A codon is a double nucleotide on mRNA.___T/F
    F
  52. initiation
    the first tRNA carrying methionine binds                                                                    ribosome and mRNA
  53. elongation
    tRNA molecules carrying amino acids                                                                   add to the growing polypeptide chain
  54. termination
    a stop codon is reached
  55. The final product(s) of glycolysis include:
    A) pyruvate molecules
    B) glucose molecules
    C) a & c
    D) b & c
    E) ATP
    D) b & c
    (this multiple choice question has been scrambled)
  56. Oxygen is formed during:

    A) the non-cyclic pathway of ATP formation
    B) the cyclic pathway of ATP formation
    C) the light-independent stage of photosynthesis
    d) all of the above
    A) the non-cyclic pathway of ATP
    (this multiple choice question has been scrambled)
  57. Cell’s ability to acquire energy and use it to, store, build, or break apart substances is

    called:
    A) photosynthesis
    B) metabolism
    C) biochemistry
    D) respiration
    B) metabolism
    (this multiple choice question has been scrambled)
  58. Enzymes
    A) get used up during a reaction
    B) a & b
    C) catalyze metabolic reactions
    D) a & b & c
    E) lower the activation energy
    B) a & b
    (this multiple choice question has been scrambled)
  59. In the non-cyclic pathway of the light-dependent stage of photosynthesis, two   photosystems are involved. T/F
    T
  60. Glucose is formed in the light-dependent stage of photosynthesis.
    T/F
    F
  61. The starting molecule in glycolysis is pyruvate
    T/F
    F
  62. Krebs cycle of aerobic respiration takes place in the cytoplasm
    T/F
    F
  63. CO2 is released during Krebs(citric acid) cycle. T/F
    T
  64. Light-independent stage of photosynthesis takes place in the grana

    T/F
    F
  65. In exergonic reactions, energy is released. T/F
    T
  66. In animals cells, cytoplasmic division is done by furrowing T/F
    T
  67. Nuclear membrane begins to break down in prophase. T/F
    T
  68. Chromosomes are at their maximum condensation in telophase. T/F
    F
  69. Random alignment of the homologous chromosomes happens at metaphase I.
    T/F
    T
  70. There are two nuclear divisions in mitosis and one nuclear division in meiosis.
    T/F
    F
  71. Mitosis and cytokinesis give rise to two clones (genetically identical cells).
    T/F
    T
  72. A human primary oocyte can give rise to only one viable egg.
    T/F
    T
  73. Sister-chromatids are lined up at the equator of the spindle at:

    A) metaphase stage of mitosis    
    B) telophase stage of mitosis
    C) prophase stage of mitosis
    D) anaphase stage of mitosis
    A) metaphase stage of mitosis
    (this multiple choice question has been scrambled)
  74. Chromosomes are duplicated in:
    A) the S stage of interphase
    B) the G1 stage of interphase
    C) prophase
    D) the G2 stage of interphase
    A) the S stage of interphase
    (this multiple choice question has been scrambled)
  75. Crossing over    
     a) takes place during prophase I stage of meiosis
    b) happens between the nonsister chromatids
    c) produces variety in the genetic make up of the gametes
    D) all of the above
    all of the above

Card Set Information

Author:
oreoscene
ID:
330114
Filename:
midterm 1
Updated:
2017-06-13 01:22:30
Tags:
biology
Folders:
biology
Description:
ch 1,
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