BIO TEST

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JAZSLOTH
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252599
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BIO TEST
Updated:
2013-12-12 16:05:38
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final bio test
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to be used for final bio test
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  1. True of False

    Saturated fats are composed of fatty acids and several double bonded carbons.
    False
  2. DNA backbones are not connected by?
    Hydrogen Bonds
  3. True or False

    Genome consist of all the proteins a cell can make.
    False
  4. Difference between triglycoride and phospholipid.
    • Triglycoride- 3 fatty acids 
    • Phospholipid- 2 fatty acids
  5. The breaking apart of water molecules is?
    Hydrolysis
  6. Hydrophilic
    • Water Loving
    • Ionic and/or polar covalent
  7. Hydrophobic
    • Water fearing 
    • Non-polar molecules
  8. Allow reactions to happen millions times faster.
    Enzymes
  9. Atomic Number
    # of protons in an atom
  10. Atomic Mass
    # of protons & neutrons in an atom
  11. True or False 

    Proteins are one carboxylic group of one amino acid to another.
    False
  12. Similar electronegatives and combine from hydrocarbon.
    Non Polar Covalent
  13. Biological Catalyst
    Reduced energy & increase rate
  14. True or False 

    ATP has a neg free energy
    False
  15. What ECM molecule provides tensile strength
    Collagen
  16. What's the difference between transmission vs scanning
    • transmission- 2D 
    • scanning- 3D
  17. True or False 

    Promoting the motility is a function of cellular junction
    False
  18. True or False 

    Protein modifying enzymes are part of the nucleus
    False
  19. True or False

    ATP Synthesis is a function of the plasma membrane (eukaryotas)
    False
  20. Epithelial tissue of animal cell is most similar to what plant component
    Dermal
  21. Gap junctions are to animal as ____ is to plant
    Plasmodesmata
  22. The heart is a
    Muscle tissue
  23. Occurs in presence or absence of oxygen
    Glycolysis
  24. What's not part of aerobic respiration
    Lactate Fermentation
  25. True or False

    The citric acid cycle yields ATP, NADH, and FADH
    True
  26. Cell respiration produces the most energy in form of ATP
    Oxidative Phosphorylation
  27. Open upon binding the ligand to allow specific ions to pass.
    Ligand-gated ion channel
  28. Both aerobic & anaerobic respiration do what
    uses glycolysis to oxidize & produce NADH
  29. How many decarboxylation steps occur during cellular respiration in the presence of oxygen.
    3
  30. What enzyme is responsible for placing a phosphate onto ADP to make ATP
    ATP Synthesis
  31. True or False 

    Endosy Theory best describes the origins of peroxisomes in eukaryotas.
    False
  32. How does fluidity of plasma membrane not freeze under freezing conditions.
    High levels of unsaturated fatty acid tails
  33. Freely move laterally within the membrane
    Membrane Phospholipids
  34. Allow large, charged molecules to pass through the membrane.
    Trans-membrane proteins
  35. Placing celery sticks in fresh water makes them turgid and harder
    Hypertonic
  36. Cellular Membranes are:
    Mosaic and fluid
  37. Release of insulin from pancreatic cells
    exocytosis
  38. True or False 

    Restriction Enzymes protect bacterial cells from invasion by forgine DNA
    True
  39. How are gaps between two DNA sealed
    Ligase
  40. Series of clones that contain overlapping pieces of DNA
    Contig
  41. difference between a transgenic and gene knockout
    • Transgenic- gain 
    • Gene knockout- lose
  42. Whats the key reagent for performing DNA seq. by Sanger method.
    Didcoxy nucleotides (ddNTPs)
  43. VNTR's are used in what?
    DNA Fingerprints
  44. True or False 

    Cytokineses is involved in the control of the cell cycle.
    False
  45. Both the p and q arms of the chromosome are what?
    Metacentric
  46. 11 chromosomes in a diploid species (n=5)
    aneuploid & trisomic
  47. Experiencing non-disjunction during meiosis 1, results in?
    Two polyploid gametes.
  48. What happens to human embryos that are aneoploid.
    Spontaneously aborted
  49. What does not happen in cytokines in plants
    Clevege Plate
  50. Transport of a signal molecule in either direction.
    Uniport
  51. True of False

    The chromosome theory of inheritance:

    Gametes contain either a maternal and paternal set of chromosomes.
    False
  52. Physical exchange between chromosome pieces of the crossing bivalent.
    Crossing Over
  53. Two alleles for a given gene are distributed randomly among an individual's gametes.
    Single-factors crosses
  54. True of False
    If both parents are carriers, they have a 50% chance to have a normal child.
  55. ph in soil
    norm of reaction
  56. True or False 

    Recessive disease that transmitted by the X-chromosome will be more common in females.
    False
  57. Normal man & normal woman (Rr), probability that one of their two kids have (rr)
    1/2
  58. True or False 

    Genomic imprinting can result in offspring with identical genotypes that have different phenotype.
    True
  59. People who are homozygous for the group of genes associated with skin pigment have either lighter or darker skin, than does who are heterozgys
    quantitative trait
  60. True or False 

    Egg & sperm provide chloroplast to zygotes
    True
  61. Avery, MacLeod, and McCards
    DNA, not RNA, protein, lipid, or carbs, was the genetic.
  62. True or False

    Griffith- chromosomes
    False
  63. Nucleotide composition in DNA
    C+A=G+T
  64. Building block of DNA
    nucleotides
  65. Organization of genetic material:
    Nucleotides, DNA, gene, chromosome, and genome.
  66. True or False 

    RNA & DNA are both composed of identical nucleotides.
    False
  67. Where is the E-site found
    empty tRNA
  68. Nucleotide contained in four codons
    12
  69. True or False 

    Allosteric site of DNA polymerase increases accuracy, in DNA replication.
    False
  70. Small Ribosomal 
    Initiator 
    Large Ribosomal 
    tRNA entry 
    Translocation
  71. Increase mRNA, stability in Eukaryotas.
    Poly A tail
  72. True or False 

    Translation machinery is a factor-protein polymerase
    False
  73. True or False 

    tRNA can be spliced by splicesomes
    False
  74. Peptide bonds hold amino acid together
  75. Negatively charged ions are:
    Anion
  76. Positively charged ions
    Cations
  77. pH can affect
    • The shapes and functions of molecules 
    • The rates of many chemical reactions 
    • The ability of two molecules to bind to each other 
    • The ability of ions or molecules to dissolve in wate
  78. The Cell Theory
    • All organisms are made of cells
    • Cells are the basic unit of life 
    • All cells come from pre-existing cells
  79. Levels of organization 
    smallest to largest
    • Atom
    • Molecule/Macromolecule 
    • Cell
    • Tissue 
    • Organ
    • Organism 
    • Population
    • Community
    • Ecosystem 
    • Biosphere
  80. Theories
    • Tell why & make predictions 
    • Supported by a lot of data 
    • Not guess or opinions 
    • Viewed as knowledge
  81. True or False 

    ATP has a negative free energy
    False
  82. A condensation reaction that has water.
    Dehydration
  83. RNA based molecules called RNases. 
    Can break down or process different types of molecules.
    Ribozymes
  84. True or False 

    Glycogin is a lipid
    False
  85. An inhibitor that binds to the active site. 
    Prevents substrate binding.
    Competitive
  86. The light intensity difference between sample and background.
    Contrast
  87. The ability to distinguish between separate objects.
    Resolution
  88. Bacteria and Archaea are both ____ cells.
    Prokartyote
  89. Outer surrounding of animal cells
    Some cells embed in ECM
    Other cells attach to ECM
    Made up of proteins and polysaccharides
    Extracellular Matrix (ECM)
  90. Diffusion of water
    Osomosis
  91. Equal diffusion of water
    Isotonic
  92. More solute inside the cell
    Hypertonic
  93. Less solute outside the cell
    Hypotonic
  94. Cytoskeletal structures represent a highly diverse group of tension-bearing fibers important to the cell shape.
    Intermediate Filament
  95. Endomembrane route trough which a protein secreted from a cell.
    • RER
    • Golgi
    • Vesicles 
    • Plasma membrane
  96. True or False 

    Mitochondria--Protein synthesis
    False
  97. Cell Cycle
    • G1-first gap
    • S-synthesis of DNA 
    • G2-second gap
    • M-mitosis and cytokineses
  98. One strain of E.coli exchanges with another strain of E.coli
    Horizontal
  99. Exergonic Reaction
    • Spontaneous 
    • Release Energy 
    • Delta G < 0 
    • Neg free energy  
    • Energy is released in product formation
  100. Endorgonic Reactions
    • Not spontaneous 
    • Requires energy to occur
    • Delta G >0
    • Products have more free energy than reactants
  101. Region around the nucleus where it is likely to find an electron. 
    Max of 2 electrons
    Orbitals
  102. FADH2 enters the electron transport chain, first to recpin
    Complex 2
  103. A polysaccharides that forms insect exoskeletons and fungal cell walls.
    Chitin
  104. An unbranced polyaccharides found in plant cell walls.
    Cellulose
  105. True or False 

    Tight junctions are anchoring junctions
    False
  106. Citric acid cycle, the acetyl group is removed
    citrate
  107. True or False 

    The cell wall is located inside the plasma membrane
    False
  108. Increase membrane glucose and glucose transport.
    Yeast cell response
  109. Does not bind secreting cell
    Short duration 
    close proximity
    Paracrine-secreted signal
  110. Uses hormones 
    Secretion into bloodstream
    Endocrine-long distance signaling
  111. Bound signal molecule 
    on cell surface
    Contact-Dependent membrane
  112. Can bind receptor on some or different cell
    Autocrine secreted signal
  113. Cell junctions that pass ions/signaling molecules
    Direct Intercellular
  114. DNA
    • Purines: adenine and guanine(two rings)
    • Pyrimidines: cytosine and thymine(one ring)
    • Sugar is deoxyribose
  115. RNA
    • Purines: adenine and guanine(two rings)
    • Pyrimidines: cytosine and uracil(one ring)
    • Sugar is ribose
  116. True or False 

    biomembranes, membrane proteins are globular
    True
  117. True or False 

    Flip-flop uses litacis and need energy.
    True
  118. True or False 

    Passive diffusion requires
    transmission proteins.
    False
  119. Movement of sucrose and H+ into the cell by a common membrane protein reflects.
    Symports
  120. G-Protein coupled Receptors
    • GPCR's have 7 trans-membrane segments. 
    •    Lipid anchored 
    • G-proteins can bind GTP
    •  req for certain hormone receptors.
  121. The splitting of sugar, occurs in the cytoplasm
    Glycolysis
  122. Bound to centromeres of each chromosome.
    Kinetochore
  123. Mitosis
    • Prophase 
    • Metaphase 
    • Anaphase 
    • Telophase
  124. Meiosis
    • Prophase 1 
    • Metaphase 
    • Anaphase 1
    • Teleophase 1 
    • Cytokineses
    • Meiosis 2
  125. Genotype
    Genetic composition of individual
  126. X chromosome is larger and carries more gene than the Y chromosome.
    X-linked traits
  127. When 2 genes are close on the same chromosomes, they tend to be transmitted as a unt .
    Linkage
  128. Spindle formed from microtubules 
    Chromatin condenses into chromosomes 
    The nuclear envelope begins to break down
    Prophase
  129. Nuclear envelope completely fragments
    Mitotic spindle is fully formed 
    Centrosomes move
    Prometaphase
  130. The chromosomes line up across the center of the cell
    Metaphase
  131. Centromeres split 
    Kinetochore fibers shorten 
    Chromosomes move to different poles
    Anaphase
  132. The nuclear envelope reforms 
    The spindle breaks apart
    The cleavage furrow develops
    Telophase
  133. Division of the cytoplasm 

    Animal-two cells pinched apart
    Plant- The plate forms
    Cytokineses
  134. Mitosis (What is it, Not steps)
    • Diploid 
    • 1 cycle
    • Somatic
    • Identical
    • 2 cells
  135. Meiosis
    • Haploid 
    • Crossing over
    • 2 cycles 
    • Sex cells(gametes)
    • Not identical 
    • 4 cells

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