science, biology

41,074 results, page 18
  1. biology

    where you would find dendritic spines and what their role is in neuronal communication?
  2. Biology

    In a proper lab report, is first person allowed? Or should I avoid using "I"? Thanks.
  3. Biology

    Why would a washing powder of high pH or low pH be difficult to handle?
  4. biology

    describe the role of mitochondria in the metabolism of eukaryotic cells.
  5. biology!

    What is the percentage of oxygen in expired air when a person is resting?
  6. ap biology

    what is the relationship between oxygen production and assimilation of carbon? thanks in advance
  7. biology

    how many copies of genome are present in a diploid cell in G1 phase?
  8. AP Biology

    list and explain the two dynamic processes that are characteristic of all ecosystem
  9. Biology

    Explain how sunlight is the primary source of energy for your own life? Please help!
  10. Biology

    For what enzymes is iron especially important? - (Talking about photosynthesis and phytoplankton)
  11. biology

    similar abd difference between photosynthesis and cellulaR RESpiration
  12. Biology

    What is the actual storage of energy in the muscles? ATP or Glycogen?
  13. biology

    explain the following statement: "life is complex on the molecular level"
  14. Biology

    What's the purpose of a master mix for PCR reactions or in general?
  15. Biology

    Identify the molecules that participate in the light dependant reactions and tell what they do.
  16. biology

    what causes the PH to change as the food moves from the stomach to the small intestine
  17. biology

    How might the efficiency of glycolysis change if this process occurred in only one step?
  18. Biology

    Why mitochondrion and mitotic division are absent in prokaryotic cells?
  19. Pre-AP Biology

    why is it difficult to describe a typical animal cell?
  20. Biology

    Explian how one-way flow of blood is maintained in the circulatory system.
  21. biology

    What are four negative allosteric effectors in the citric acid cycle
  22. Biology

    why does water and hydrogen peroxide have different chemical and physical properties
  23. Please help -biology

    why does water and hydrogen peroxide have different chemical and physical properties
  24. biology

    I need to know how calicum is made and is it a combined element? I can't find info anywhere.Please help! Thank you!
  25. Biology

    Why is it difficult for a mutation to occur that would change the genetic code?
  26. general biology

    Describe how an organism broken down into smaller components?
  27. Biology

    how does acid rain relate to photosynthesis and the carbon cycle?
  28. Biology

    For yogurt, draw a representative molecule of amino acids it contains.
  29. biology

    how do cardiac action potentials initiated in the human heart
  30. biology

    I need to convert a RNA aconcagua into an amino acid. Where do i start?
  31. biology help

    What are the regulatory enzymes regulated in the citric acid cycle?
  32. Biology

    Why mitochondrion and mitotic division are absent in prokaryotic cells?
  33. biology

    whats the similarities and difernces between gonochoristic and hermaphroditic ? thanks again Jim
  34. Biology

    Where in the cell cycle can one find the phragmoplast? What is it's probable function?
  35. biology

    what are some of the ways in which we can differentiate spores from coccus shaped bateria?
  36. Pre ap biology

    Project on Eubacteria- What is the organs modus operand1
  37. Biology

    What does the net movement of solutes/solvents during osmosis and diffusion mean?
  38. Biology

    Please help me !!! Compare and contrast the physiological functions of chloroplasts and mitochondria. Thanks
  39. biology

    what would happen if Australia had no laws to check imported goods
  40. 9th Grade Biology

    How do macromolecules carry out the function of life?
  41. biology

    In which generation does meiosis occur in the animal life cycle?
  42. Biology)

    How is creating a virtual ecosystem similar and different from the real world?
  43. biology

    Whats the width of the north american tectonic plate?
  44. biology

    which of the following is not an organic compound: cellulose sucrose water testosterone
  45. Biology

    What other factors can contribute to the rising in temperatures besides global warming?
  46. biology

    what happens to the CO2 and H20 that plants absorb from the surroundings during photosynthesis?
  47. BIOLOGY!!!!!!

    What is the reletive amounts of mRNA that will e transcribed if there is no promoter and enhancer?
  48. biology

    Carbon monoxide blocks the transport of what by hemoglobin in the blood?
  49. biology

    what is the process by which organisms maintain a relatively stable internal environment?
  50. Biology

    Explain why mitosis can occur in a haploid cell, but meiosis can’t.
  51. Biology

    How does the pH of chyme change from acidic to alkaline once it leaves the stomach?
  52. intro to biology

    when does protein syntheses occur in a eukaryotic cell??
  53. Biology

    Explain why mitosis can occur in a haploid cell, but meiosis can’t.
  54. biology

    Which of the following is not an organice molecule? Cellulose sucrose water testosterone
  55. Biology

    Which of the following do NOT have a mesoderm? A. Jellyfishes B. Earthworms C. Flatworms D. Octopi E. Snails
  56. Biology

    Can you tell me specifically about the fuctions of all of the squid's body parts and organs?
  57. Biology

    Why is it desirable for blood to flow through the capillaries comparratively slowly.
  58. Biology

    Why does eating excess carbohydrates or proteins cause you to gain fat?
  59. Biology

    how does the external environment of an organism can affect gene function.
  60. biology

    why do biologists use a classification system to study the diversity of life
  61. biology

    depict the following dilutions series: 1:4 1:16 1:64 IN A FINAL VOLUME OF 200ML
  62. biology

    state one reason why the concentration of glucose in the blood decreases.
  63. biology

    what effect would the absense of carbohydrates have on an animal cell membrane?
  64. Biology Honors

    How does a salamander transport nutrients and waste throughout its body?
  65. biology

    What is the role of Frc-2,6 bis phosphate in Glycolysis and Gluconeogenesis?
  66. biology

    What is meant by the statment living things do not exist in isolation?
  67. Biology

    Is denitrification a biological or chemical process or both? Explain your answer.
  68. biology

    What is the role of Frc-2,6 bis phosphate in Glycolysis and Gluconeogenesis?
  69. Biology

    Why are plasmids a good way to carry new DNA into host cells?
  70. biology

    what role doescarbon dioxide play in plant processes
  71. Biology

    What 2 bio molecules are the cell membrane primarily made of?
  72. biology

    does dark reaction helps in transmittance and conservation of energy
  73. BIOLOGY

    Explain the how energy is being transferred in the following relationship: Berries -> Squirrel
  74. Biology

    Explain how strep-throat is able to stay in its ideal environment?
  75. Biology

    What must a cell membrane have imbedded in it to allow facilitated diffusion to happen
  76. biology

    explain how organisims have evolved physiologically to become suited to its environment
  77. Biology

    The anticodon for GCG is: A) AUA B) CCT C) UAU D) CGC **D
  78. Biology

    state one reason why the concentration of glucose in the blood increases.
  79. Biology - genetics

    How does crossing over change the combination of alleles in gametes? Thanks :)
  80. biology

    Discuss possible benefits and drawbacks of a transgenic organism such as Bt corn?
  81. Biology

    How do ATP and ADP function in capturing and releasing energy?
  82. biology

    HI, i'm in need of sites/articles that explain what invertebrate, chordate, and primates are.
  83. AP Biology

    What is important for reproducing animals? i don't exactly understand the question, help!!
  84. Biology

    true or false Ciliates use flagella for feeding and movement?
  85. biology

    If we put few ml.of hydrochloric acid on a piece of the skeleton of a shell
  86. biology

    how many poeple prefer batteries than plugging a cable on the wall and why?
  87. Biology

    Describe the cellular specialisation that has occured in muscle cells.
  88. english

    What is a topic that related to marine biology? And its topical outline?
  89. biology

    What is meant by the statement, "Living things do not exist in isolation"?
  90. biology

    why are animals shaped differently in cooler climates than in warmer ones?
  91. navarro college biology

    During the sequencing of dna into a protein, what is the first step?
  92. Biology

    3'-GGCACTCGCATAATATTCGCCATGGCT -5' In the DNA sequence above, how do i identify the promoter region..
  93. biology

    what are the sequences of event hat result in erythroblastosis fetalis
  94. biology

    what are the sequences of event hat result in erythroblastosis fetalis
  95. Biology

    How do you explain the relationships between allele position and crossover frequency?
  96. 9th grade biology

    How can you tell, using a microscope, that an onion cell has depth?
  97. Biology

    What protections are already in place to safeguard and preserve the Galapagos Islands?
  98. Biology

    What are the biological interrelationships among the life forms in the Galapagos Islands?
  99. Biology

    List and define the five characteristics that ALL living things share
  100. Biology

    why do people conduct an experiment using pH? whats the purpose of the pH scale? why do we use it?