|Question| Living organisms are composed of millions of organic compounds, each having a unique structure. What element is responsible for this huge diversity of molecules? Describe the diversity of structures that can be formed and the properties of this element

38,481 results
  1. Plz help me.

    Which of the following explains why your body may contain a carbon atom that was present in George Washington’s body in 1776? (1 point) Carbon moves in a one-way direction through living organisms only. Carbon moves in a one-way direction from the

  2. Biology

    |Question| Living organisms are composed of millions of organic compounds, each having a unique structure. What element is responsible for this huge diversity of molecules? Describe the diversity of structures that can be formed and the properties of this

  3. Biology

    Which of the following is a correct statement? A. Decomposition is an important part of only two of the three nutrient cycles. B. The nutrient cycles contain paths of elements through the living world but not through the nonliving world. C. Living

  4. Science (HELP ASAP!!)

    1. (Blank) are the basic units of structure and function in living things. 2. A (Blank) is a group of similar cells that perform a specific function in an organism. 3. (Blank) are nerve cells that carry response information to muscles and organs. 4. Carbon

  5. science

    1. Which of the following explains why your body may contain a carbon atom that was present in George Washington’s body in 1776? (1 point) Carbon moves in a one-way direction through living organisms only. Carbon moves in a one-way direction from the

  6. biology

    All living things are composed of the four categories of biomolecules you see here. These molecules are also called macromolecules because they are very large. The function of biomolecules is determined by its structure. Some are building blocks, some

  7. biology

    the unique properties of water make life possible on earth, select three properties of water and: a) for each propery, identify and define the property and explain it in terms of the physical/chemical nature of water b) for each property,describe one

  8. Science

    1. Which of the following is true regarding the carbon cycle and food webs? A. Food webs and the carbon cycle are closely related because all living organisms are composed of carbon. B. Food webs and the carbon cycle are closely related because carbon

  9. Science

    which term best describes the role carbon plays in the structure of compounds present in living things? A- a somewhat important role B- a fundamental role C- a minimal role I think it B.

  10. science help PLS

    Which of the following correctly describes a way in which Earth’s atmosphere interacts with the geosphere? It contains gases that living organisms breathe. It contains gases that trap incoming solar radiation. It provides a medium for cycles that provide

  11. biology 2 ap

    All living organisms share all of the following features in common except A. carry out metabolism B. transfer energy with ATP C. encode hereditary information in DNA D. are composed of one or more cells E. containing organelles

  12. chemistry

    The synthesis of urea by Frederich Wöhler in 1825 began the decline of the idea that "organic" chemicals could only be made by living organisms as part of their biological processes. AgOCN(aq) + NH4Cl(aq) → AgCl(s) + NH2CONH2(aq) If you perform this

  13. Advanced Science

    21) Which example represents a DISADVANTAGE of asexual reproduction? A)Genetic variety slowly causes hundreds of species of beetles to form from a single species.*** B)A single antibiotic is able to quickly and easily kill millions of genetically identical

  14. Science

    Where on the ocean floor will you find the greatest amount of living organisms? Answer: the coral reefs The greatest amount of living organisms can be found in the photic zone where sunlight can penetrate water, and where organisms that photosynthesize

  15. Chemistry

    Write balanced chemical equations for all transferals of the compounds from organic to aqueous phases and for all precipitation reactions. **Note: If a compound does not move from one layer to another, no reaction has occurred, and no equation can be

  16. Math

    Every year a lake becomes more polluted, and 5% fewer organisms can live in it. If in 2010 there are one million organisms, write an equation relating N, the number of organisms (in millions), to time t, in years since 2010.

  17. Science

    In a wheelbarrow, you have 2 kilograms of soil for your garden. If 8 percent of it is organic matter( decayed materials from organisms), how many grams of organic matter do you have?

  18. Biology

    How does comparing the embryos of different organisms support the theory of evolution? The embryos of all organisms are identical. The stages of development of the embryos of different organisms are extremely similar, thereby suggesting common ancestors.

  19. Science

    Hey, I have a few questions I need help on, i placed my answers below.

  20. Yanii

    What unique property of water allows organisms living in lakes to survive in below zero winter conditions ?

  21. Chemistry please check

    1. Which of the following would occur as saturated hydrocarbons? alkanes alkenes alkynes cycloalkynes ans: alkanes 2. There are millions of organic compounds but only thousands of inorganic compounds because atoms of elements other than carbon never

  22. Biology (CHECK)

    Describe how comparing the anatomy of living species provides evidence of evolution. A: Comparisons of the anatomy of different types of organisms often reveal basic similarities in body structures even though the structure's functions may differ between

  23. Biology

    41. A group calling itself "Virus Alive!" believes that viruses are living organisms. They have petitioned the scientific community to include viruses in the biological classification system. You are a scientist assigned to explain to this group that,

  24. Chemistry

    Why use Methyl tert-butyl ether in the organic chemistry lab when separating compounds? separating WHAT compounds and how? as a solvent? It has a low boiling point and isn't very reactive, generally, but there may be other specific reasons depending upon

  25. Biology

    Could someone help me with this question; Ectothermic organisms have body temperatures that vary with the temperature of their surroundings. Discuss the effect this variation might have on the functioning of enzymes in these organisms. Suggest some ways

  26. Uh Biology :)

    Ectothermic organisms have body temperatures that vary with the temperature of their surroundings. Discuss the effect this variation might have on the functioning enzymes in these organisms. Suggest ways ectothermic organisms might cope with this problem.

  27. 9th grade SCIENCE

    I have to list 5 different organic compounds; list different types for each; name; structure; properties; and uses. I am a bit confused as to what an organic compound actually is. I know it must contain a carbon, but would vegetables or household foods be

  28. Chemistry

    Why was the term "organic" originally chosen? Give an example of an original organic substance. My answer: The term organic was originally chosen because early chemists believed that certain chemicals were only found in living organisms. These chemicals

  29. Science

    Where on the ocean floor will you find the greatest amount of living organisms? Answer: the coral reefs The greatest amount of living organisms can be found in the photic zone where sunlight can penetrate water, and where organisms that photosynthesize

  30. Science

    Where on the ocean floor will you find the greatest amount of living organisms? Answer: the coral reefs The greatest amount of living organisms can be found in the photic zone where sunlight can penetrate water, and where organisms that photosynthesize

  31. Chemistry

    For each definition, find a corresponding term from the following list: alkane,alkene, alkyne, alcohol, ether, aldehyde, ketone, carboxylic acid, ester, amine, fuctional group, isomers. a. Organic compounds with identical molecular formulas that differ in

  32. Biology

    41. A group calling itself "Virus Alive!" believes that viruses are living organisms. They have petitioned the scientific community to include viruses in the biological classification system. You are a scientist assigned to explain to this group that,

  33. Chemistry

    When you're naming organic compounds, is there more than one name that's acceptable for each compound? For example Ch3-CH2-CH2 CH3 1 1 CH3-CH-CH-CH 1 1 CH3-CH2 CH3 Hopefully this appeared alright once I typed it. The ones represent bonds. In the answer

  34. science

    Characteristics of Living Organisms Ten characteristics distinguish an object or thing from an actual living organism. All 10 characteristics must be present simultaneously for something to be considered living. The following table lists four of the 10

  35. Organic substances

    Is adhesive tape organic or inorganic? Also are shoes organic? I think they might, be but Im not so sure. Are paper clips organic? They are made of some type of metal, but I don't think they are organic. Is an mp3 organic?

  36. s103

    Reaction 1 O ll CH2=CH-CH-OH + CH3-CH-CH2-C l l l CH3 CH3 OH compound 1 compound 2 Products? identify any functional groups in compounds 1&2, circle them and name them clearly? complete the equation for reation 1 by drawing the abbreviated structural

  37. Life Science

    By living in areas where other organisms inhabit,humans change the environmental conditions for those organisms. Describe two ways humans impact the environment and what the effects are on the earth? Thesse can either be positive or negative. Please answer

  38. biology

    what are organisms that can synthesize energy-containing organic compounds? organisms that add to the total energy stored in organic compounds? organisms that require sunlight in order to survive? choices: a) autotrophs b) heterotrophs c) both any help is

  39. 5th grade math and science question

    Can you tell me if I answered these correctly? SCIENCE: How is the basic structure of living organisms different from that of non-living organisms? MY ANSWER: Living things need energy, nutrients, water and sunlight. Non Living things have no life at all.

  40. Science

    What are organic compounds composed of?

  41. Science

    What is the difference between organic and inorganic compounds? Carbon. Organic compounds are all carbon compounds, except CO2. http://dictionary.reference.com/browse/organic%20compounds

  42. chemistry

    what are 4 chemical properties of organic compounds?i know there non polar molecules and they tend to e soluble in non polar solvents,,but my homework says i need 2 more and i don't know what else..thanks :) Some organic compounds are non-polar and some

  43. Physical Science

    Hello, Can some one please tell me if B is the correct answer? Thank You Which one of the following groups of chemical compounds is composed entirely of organic compounds? A. C2H4O, CH2O, CaSO4, C3H5(OH)3 B. C6H6, C2H5OH, C6H5CH3, C3H5(NO3)3 C. C2H2, CH4,

  44. SCIENCE

    1. Multiple choice: why is it uncommon to draw lewis diagrams for ionic compounds? A.) Lewis diagrams can only illustrate covalent bonding B.) ionic compounds cannot be represented by Lewis diagrams C.) ionic compounds involve electron transfer not

  45. biology

    the importance of these organic compounds ( carbohydrates, proteinds, lipids) in the cells and tissues of living things

  46. bio

    4. In the Krebs cycle (or citric acid cycle), starting with citrate, what happens? a. Organic compounds become more reduced and CO2 is produced b. Organic compounds become more oxidized and CO2 is produced c. Some organic compounds become reduced and

  47. biology

    how can a biologists influences lead to a greater understand of the natural world Since biology is the study of living organisms, the more we know about these organisms — including ourselves — the more we can influence these organisms to reach our

  48. Biology

    Which of the following mutations would you expect to have the greatest effect on a living cell? A. A mutation that changes a single base in a region of noncoding DNA B. Energy release from plutonium C. Consumptions of preexisting organic compounds Im

  49. Biology

    26. The relationship between population growth and resources can be described as a. inverse; as one goes up the other goes down b. parallel; when one goes up so does the other c. complex; there are many contributing factors d. equal; they both level off in

  50. Chemistry

    For each definition, find a corresponding term from the following list: alkane,alkene, alkyne, alcohol, ether, aldehyde, ketone, carboxylic acid, ester, amine, fuctional group, isomers. a. Organic compounds with identical molecular formulas that differ in

  51. biology

    1. All the habitats that make up a forest, river, or desert are called an ________________. 2. The __________ and non-__________ parts of an ecosystem are all interconnected. 3. Living ______________ rely on the abiotic, or ______________, parts of the

  52. Science

    In a tropical rain forest biome, there is a great diversity of species that live within the ecosystem. Every population of organisms have their own unique adaptations and variations, even within their own population, that enable them to survive in the

  53. Chemistry

    This is the first in a series of hw pages. If anyone would be able to help me with this one I think I would be able to complete the other 20 hw questions I have. Thanks to anyone that helps. For each definition, find a corresponding term from the following

  54. social studies

    which organisms are capable of converting gaseous nitrogen in the air into a form that other living organisms can use

  55. Chemistry (URGENT)

    I have a test soon. If you can help me with these questions, that would be great. 1. Define and describe the following. a)Alkaline - metal - base b)Corrosive - burn/eat away - acid c)Caustic - harsh - both? (acid + base) d)Low pH - 0-6.99 - acid Please

  56. Chemistry

    Help please! I need to identify an organic compound and tell the functional group of the molecule- the compound is single-bonded ,it is composed of a middle chain H,C,C,H. Off both carbons are single chains consisting of a H above and below each of the

  57. Science summer activity help

    I saw a site that had fun summer activites and my mom said each one I pass I get 5 dollars so I want to check my answers. 1.B 3.D 4.A 5.D 1.how do scientists explain the great diversity of life on earth? different characteristics help __ A. young organisms

  58. biochemistry

    A cellular structure is composed of 20 proteins that have identical structures. How many gene products are required to form this structure?

  59. Chemistry

    I have one more question DrBob, I have draw a structure of this polymer CH2=CH-CH-OH ' CH3 and identify the monomer units. Would the mononer unit be this: CH2-CH-CH-O ' CH3 AND WOULD THIS POLYMERIZATION BE A CONDENSATION TYPE? Paula--I am not an organic

  60. Biology

    Bacterial cells are prokaryotic. Select two structures of bacterial cells and briefly describe them; what do they look like, what are they composed of? Then, explain how these two structures allow bacterial cells to survive as unicellular organisms. There

  61. Chemistry

    Draw all the possible condensed structural formulas for the organic compounds with 6 carbon atoms that have a 4-carbon chain. [I don't know how to draw condensed structural formulas with a branch on it or how this type of structure is going to come out]

  62. Science: my answers

    Which organisms are capable of converting gaseous nitrogen in the air into a form that other living organisms can use? nitrogen-fixing bacteria denitrifying bacteria decomposers producers***

  63. question

    Which organisms are capable of converting gaseous nitrogen in the air into a form that other living organisms can use? nitrogen-fixing bacteria denitrifying bacteria decomposers producers***

  64. Science

    Which organisms are capable of converting gaseous nitrogen in the air into a form that other living organisms can use? nitrogen-fixing bacteria denitrifying bacteria decomposers producers Would the correct answer be A?

  65. Health

    An organelle is A. the smallest “living” structure in the body. B. a specialized body part composed of tissues. C. a structure in the cytoplasm. D. any complex living being, plant or animal. (c) is this correct

  66. OChem

    1. if and when boiling points can be used to determine the purity of organic compounds. 2. if and when boiling points can be used to identify organic compounds. 3. when can fractional distillation be used to separate organic compounds

  67. biology

    identify what all organic compounds have in common,and list the four principal classes of or organic compounds

  68. Biology

    Could someone please help me answer the following questions; 1. What unique property of carbon is responsible for the large number of organic compounds? 2. Alkanes, alkene and alkynes are all insoluble in water whereas alcohols, aldehydes and ketones are.

  69. Biology

    If living things are composed of cells, this means that they demonstrate ______________. A: Cellular Organization

  70. anatomy

    which organic compounds and cellular organelles are in protein synthesis? I found the organelles but don't know the organic compounds? I am confused about this one, http://en.wikipedia.org/wiki/Protein_biosynthesis I believe that they are carbohydrates,

  71. Chemistry

    Hi, Why are ionic compounds generally insoluble in organic solvents while covalent compounds are generally soluble in organic solvents? Can you please explain in more detail? Thank you.

  72. Biology

    Which of the following mutations would you expect to have the greatest effect on a living cell? A. A mutation that changes a single base in a region of noncoding DNA B. Energy release from plutonium C. Consumptions of preexisting organic compounds

  73. Organic Chemistry/Biology

    My text has a review of some chemistry before getting into the biology bit. I have come to a question "what are 3 characteristics/features of an organic compound." My book seems to only have the general they all have carbon. The rest goes into depth about

  74. Biology

    Which of the following mutations would you expect to have the greatest effect on a living cell? A. A mutation that changes a single base in a region of noncoding DNA B. Energy release from plutonium C. Consumptions of preexisting organic compounds Im

  75. science(chem)

    Indicate the correct waste container for the following compounds choices are halogenated organic, nonhalogenated organic, aqueous, and organic solid a)hexane b)methylene chloride (dichloromethane) c)magnesium sulfate d)10% NaOH e)sodium hypochlorite for

  76. Biology/Chemistry

    What kind of isomers can amino acids form? Which isomer is present in most living organisms? don't major compounds of living organisms consist of modifications of hydrocarbons Although D amino acids can be found in nature, only the L isomers are used to

  77. chemistry// organic

    This is a pushing question. We discussed how phenols are typically more acidic than alcohols, even though they both contain the same hydroxyl functional group, because phenols possess an aromatic ring that delocalizes the negative charge after a proton is

  78. biology

    Organic compounds-a)carbohydrates b)lipids c)proteins d)nucleic acid (Explain what each organic compound is and why it is important to the cell)

  79. Chemistry

    Name two organic compounds that cannot be extracted effectively from an aqueous solution by means of an immiscible organic solvent such as diethyl ether or cyclohexane

  80. chemistry

    discuss if and when melting points can be used to determine the purity of organic and inorganic compounds and if and when melting points can be used to identify organic and inorganic compounds.

  81. Chemistry

    Can Someone describe the structure of ionic compounds for me please.. Ionic compounds consist of a three dimensional array network of + and - ions. I expect you already know that. As to structure, here is a web site that may help. Repost if you have

  82. biology

    Can someone please help me with this question? Thanks! What organic molecules make up the structure that surrounds the DNA molecule?

  83. Science

    The molecular formula of first member of a certain group of organic compounds is CH2O(HCHO).Determine the name & molecular formula of third member of this group if it is in homologous series. What is the general name for this group of organic compounds?

  84. chemistry

    i cant understand anything in carbon and its compounds. can you give me any the basics of what i need to learn in carbon and its compounds Carbon has a usual oxidation state(valence) of +4 and it can bond to itself. Therefore, there are millions of carbon

  85. chemistry

    Two compounds of molecular formula respectively C2H4O and C4H8O produce a yellow orange precipitate by the reaction DNPH. a)is this indication sufficient to write the structural formulas of these two compounds? Explain. b)what identification tests should

  86. chemistry

    Describe the structure of the water molecule and indicate how this structure is responsible for many of the unique properties of this vital compound.

  87. earth science

    If all matter is made up of the same atoms from the periodic table, is there a big difference between living organisms and non living objects? why or why not?

  88. chemistry

    Which solvent would dissolve each of the following compounds?(water, a polar organic solvent, or a nonpolar organic solvent) a) NaI b) H3CCH2CH2OH C)H3CCH2CH2CH2CH2CH2CH2CH3

  89. science

    Sedimentary rocks that form from living or once-living material are called____.? a) clastic b) dolomitic c) sandstone d) chemical precipitates e) organic Just need to know if my answer or right or wrong. Thanks! :) e

  90. Bio-100

    I need someone to check my assignment to see if I have the correct answers. What are 10 Characteristics of Living Organisms? 1. Composed of one or more cells 2. May evolve into a new type of organism 3. Carries out and controls a variety of chemical

  91. Science

    In my book it says Individuals of the same kind living in the same evnironment make up a population. All the grasshoppers in a field are the grasshopper population. All the populations of organisms living together in an environment make up a community What

  92. Biology (bobpursley)

    1) Describe how comparing the anatomy of living species provides evidence of evolution. A: Comparisons of the anatomy of different types of organisms often reveal basic similarities in body structures even though the structure's functions may differ

  93. Biology

    1 . Which of the following is the definition of ecology? the social movement with a goal to protect the environment🌳 get rid of the miserableness toxins and vaccinations. the study 🔬 of interactions among organisms and between organisms and their

  94. Science

    Water also travels through living reservoirs. Which of the following organisms does not function as a living reservoir for water? - Squirrels - Wolves - Plums - All of above are living reservoirs for water

  95. Biology

    PLEASE HELP!!!! 1. How many millions of years ago did sharks first appear? (Make sure you are looking for animals that only have cartilage skeletons). 2. How many millions of years ago did bony fish (like the perch) first appear? 3. How many millions of

  96. science

    how did organic compounds get this name?

  97. A.P. Chem

    Based on like dissolve like, determine if these compounds will be more soluble in water or an organic solvent. 1) Sodium Butyrate I think Water 2) Phenol I think organic 3) Aniline I think water 4) Sodium phenoxide I think water

  98. Chemistry

    I think I have identified these right but I am confused on the why part of my question. Am I on the right track or should I read some more? Are these organic? If they are why? KMnO4-no CH3Oh-yes C6H6-yes PdCI2-no Ch3CO2H-yes Because they are carbon

  99. chem

    ionic compounds are composed of

  100. Criminal Courts

    What is it meant when it says theory that law is a living body? Is this because like living organisms the law is always growing and changing?

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