http://en.wikipedia.org/wiki/Cyanobacteria Scroll to photosynthesis and read. Then think about how most plants and algae use chloroplasts to photosynthesise. Cellular examination of a cyanobacterium and a diatom reveals that the diatom has (which structure?) that is absent in the cyanobacterium? a.

15,501 results
  1. language arts

    we are reading a book called the pearl and we have to answer a few questions andi need help wiht this one: what are the possibilities that a pearl could be the size of a seagulls egg? According to a Wikipedia article about pearls, the largest pearl ever

  2. science

    it has been hypothesized that chloroplasts originated from photosynthetic cyanobacteria that became symbiotic inside a host cell. Which of the following observations provides the strongest evidence for this suggestion? A) microscopically, chloroplast

  3. Social Studies-Geography

    I'm doing a worksheet on the physical features of the former Soviet Union. There are some physical feature names I'm not sure about, which are some of the mountain ranges and rivers of the former Soviet Union. I've looked in atlases and my textbook, but

  4. social studies

    what are the type of rocks used to build the agra fort , gate way of india,lotus temple , qutub minar , india gate and jama masjid Read each one carefully: http://en.wikipedia.org/wiki/Agra_Fort http://en.wikipedia.org/wiki/Gateway_of_India

  5. history

    hello... i would like to ask what problem of king henry VII WOULD BE THE MOST IMPORTANT AND WHY? TO GET A SON? TO BE MORE POWERFUL? http://en.wikipedia.org/wiki/Henry_VII_of_England Scroll down to the section called Law Enforcement and Justices of Peace.

  6. science @elena please help

    it has been hypothesized that chloroplasts originated from photosynthetic cyanobacteria that became symbiotic inside a host cell. Which of the following observations provides the strongest evidence for this suggestion? A) microscopically, chloroplast

  7. Biology URGENT!!!!

    I need to know if flagella are on plant or animal cells. I need to know the same for cilia. THIS IS DO TOMMOROW!! Thank you go to google and type in flagella and cilia http://en.wikipedia.org/wiki/Cillium http://en.wikipedia.org/wiki/Flagellum

  8. Spanish/History, more for Laura & Carry

    Here is additional information on Citzendium that I hope will help you: 1. http://en.citizendium.org/wiki/Latin_America 2. http://www.vacilando.org/index.php?x=810 3. (criticism of racial mixing; I couldn't get there but I hope you can:)

  9. social studies

    What is capital of India http://en.wikipedia.org/wiki/India Scroll down a bit and read the information in the column on the right. =) New Delhi.

  10. social studies

    By when had Rome expanded include Hispania(Spain) http://en.wikipedia.org/wiki/Image:RomanEmpire_Phases.png from http://en.wikipedia.org/wiki/Roman_empire#Evolution_of_Imperial_Rome On that map, pay attention to the colors and the dates for each color. =)

  11. University of Botswana

    Define Ethics and show how it relates to Metaphysics and Epistemology. Check these sites. http://en.wikipedia.org/wiki/Ethics http://en.wikipedia.org/wiki/Epistemology http://en.wikipedia.org/wiki/Metaphysics Why are we here on Earth? What is our Purpose?

  12. bio

    explain and illustrate how the long-term survival of a species depends on resources that may be limited from time to time. If there is an annual dry season, the organism will adapt by going into estivation (Lungfish) . If its cold then hibernation (Ground

  13. Please help (Science)

    http://en.wikipedia.org/wiki/Cyanobacteria Scroll to photosynthesis and read. Then think about how most plants and algae use chloroplasts to photosynthesise. Cellular examination of a cyanobacterium and a diatom reveals that the diatom has (which

  14. science

    cyanobacteria,wich first appeared on earth over 3 billion yaers ago are? a.austrolopithecines b.prokaryotes c.one of the organisms on land d.descendents of primitive plants http://en.wikipedia.org/wiki/Cyanobacteria Read 1st Paragraph

  15. Biology

    how does the structure of green cell organelles relate to the metabolic process of photosynthesis and aerocic respiration many thanks http://en.wikipedia.org/wiki/Chloroplast http://en.wikipedia.org/wiki/Light-dependent_reaction

  16. anatomy

    Is this correct for the cellular organelles: riboncoine. mitochondrion,Lysosome and chloroplasts/ the organic compound are amino acid, nulear acid, lipids.operon. http://en.wikipedia.org/wiki/Organelles http://en.wikipedia.org/wiki/Organic_compounds

  17. pigments

    What are the three accessory pigments in plants? http://en.wikipedia.org/wiki/Phycobilin http://en.wikipedia.org/wiki/Carotene http://en.wikipedia.org/wiki/Xanthophyll http://en.wikipedia.org/wiki/Phycoerythrobilin

  18. SoCiAl(again)

    Which Enlightenment writer expressed the idea that the relationship between government and the people it governs is a social contract? a- Cincinnatus b- John Locke c- Cicero d- Baron de Montesquieu could it be d? I've never even heard of

  19. biology

    is anyone able to help i have to write 700 words on the subject of the metabolism of green plant cells in relation to energy exchange processes any guidance would be very much appreciated http://en.wikipedia.org/wiki/Photosynthesis

  20. GOVERNMENT HELP

    The form of law enacted both by the people, through referendum or initiative, and by legislative bodies is called: constitutinal law, statutory law, common law read each and decide http://en.wikipedia.org/wiki/Non-statutory_law

  21. Comp.

    Could anyone help me Please.. about the uses of the computer on the following fields. 1.Business 2.Arts and Films 3.Music 4.Engineering 5.Manufacturing 6.Police and Laws Enforces 7.Medicine 8.Education 9.Science and Research 10.Archeology Thanks :-)

  22. science

    what is the relation between a solide and a liquid Well ice can turn into water. Try reading: http://en.wikipedia.org/wiki/State_of_matter http://en.wikipedia.org/wiki/Solids http://en.wikipedia.org/wiki/Liquids

  23. social studies

    the theory that government should not intefere in economic affairs is known as? A) popilism B) supply-side economics C) laissez-faire D) capitalism Here's what Populism is (assume that's what you meant): http://en.wikipedia.org/wiki/Populism Here's what

  24. World War 2!?

    “World War II was inevitable” inevitable: Impossible to avoid or prevent Why is this statement true? To understand this, you have to understand WWI and its aftermath -- and why many Germans were terribly frustrated and angry.

  25. theology

    what is the ordained clergy? http://en.wikipedia.org/wiki/Minister_of_religion Scroll down and read about Priests/Vicars. =)

  26. History

    Who are israel's 3 most important musicians. I can't find this answer anywhere, I've had to look at almost every website. Try these sites. your word "important" musicians is ambigous. http://en.wikipedia.org/wiki/List_of_Israeli_musical_artists

  27. Environmental Science

    List at least two benefits and two drawbacks of each form of perst control for: Pesticides, Genetic engineering, Biological control, insect birth control through sterilization, Insect sex attractants (pheromones) Insect harmones, Food irradiation, and

  28. Science

    It has been hypothesized that chloroplasts originate from photosynthetic cyanobacteria that became symbiotic inside a host cell.Which of the following observations provides the strongest evidence for this suggestion. A. Microscopically, chloroplasts appear

  29. History

    Brigham Young chose the Great Salt Lake valley because of its _________ (9 letter word) http://unicomm.byu.edu/about/brigham/ Scroll down and go to page 4. http://www.pbs.org/weta/thewest/people/s_z/young.htm http://en.wikipedia.org/wiki/Brigham_Young Be

  30. Geography

    what is the name of the city that is the capital of Washington? I'm not sure if they mean Washington D.C or not? Thank you! http://en.wikipedia.org/wiki/Washington,_D.C. Or http://en.wikipedia.org/wiki/Washington and scroll down to the green table D.C. is

  31. Science

    Tereestrial plants, Aquatic Plants & Insectivorous Plants? Thank you for using the Jiskha Homework Help Forum. Here are some sites on your subject: 1. http://www.honda-e.com/ 2. http://www.uky.edu/Ag/Horticulture/pls220/aquatics/aquatics.html 3.

  32. religion

    what are the simularites and differences between jesus and muhammed? http://www.answers.com/jesus http://www.answers.com/mohammed Let us know what you come up with, and someone here will be happy to critique your thinking. =) sites for Mohammad and Jesus -

  33. Biology

    Where RNA is present? in cytoplasm or nucleus or both of them. Thank you for using the Jiskha Homework Help Forum. I'd begin with the information found on Wikipedia: http://en.wikipedia.org/wiki/RNA (the basics)

  34. American History

    Briefly Explain THE ARGUMENTS OF aLFRED t MANHAN , HENRY CABOT LODGE AND ALBERT J BEVERIDGE REGARDING EXSPANSIONISM If you post your answer, we'll be glad to critique it for you. I do not know the answer i looked in the textbook but i cant find the answer

  35. us history

    how did the fear of alienating the border states affect nothern strategy during the war? President Lincoln is "reported to have said that he hoped to have God on his side, but he had to have Kentucky." That's from this article:

  36. Biology

    Write an equation to summarize the photo reaction of photosynthesis. Since this is not my area of expertise, I searched Google under the key words "photosynthesis equation" to get these possible sources: (Broken Link Removed)

  37. research paper

    what year did the Holocaust begin? http://en.wikipedia.org/wiki/Holocaust Scroll down to the outline (table of contents) and click on 4. Read carefully. =)

  38. Biochemistry

    What properties of the enzymes give rise to their ability to distinguish one substrate from another??? And where can I find information on this? http://en.wikipedia.org/wiki/Enzyme Scroll to Specificity then read from there to Allosteric modulation

  39. geography/geology

    i need a brief geological history of region where gabbro, schist and sandstone are formed and found These three rocks are examples of igneus, metamorphic, and sedimentary rocks. Check these sites for more information. http://en.wikipedia.org/wiki/Gabbro

  40. mythology?

    i have a final and i don't know the difference between te cyclopes, giants and titans...can someone help http://en.wikipedia.org/wiki/Cyclops http://en.wikipedia.org/wiki/Giant_%28mythology%29 http://en.wikipedia.org/wiki/Titan_%28mythology%29 thanks

  41. help!

    How are physical characteristics combined with behavioral characteristics by northern mammals to conserve heat during extreme periods? http://en.wikipedia.org/wiki/Hibernation http://en.wikipedia.org/wiki/Estivation In addition to the excellent information

  42. science

    dear sir i am so frigtened of thundery storm. the sounds make me fell that something heavy object is going to be fall doen from the sky.what is happpning to me plez help me doctor What ? HUH? Whats your question? If this is a legitimate question, you might

  43. Earth Science

    How are distances in space measured? What is the nearest star to Earth beyond the sun and how far away is it???? http://en.wikipedia.org/wiki/Light_year http://en.wikipedia.org/wiki/Alpha_Centuri why does Jupiter spin so fast while it's do big

  44. Evironmental Science

    What part of a pond ecosystem is not a part of the pond community.Explain First read the definition of community at the following site: http://en.wikipedia.org/wiki/Community please read this definition of abiotic http://en.wikipedia.org/wiki/Abiotic Then

  45. History

    What factors motivated King Leopold of Belgium to seek ownership of the Congo region? http://en.wikipedia.org/wiki/L%C3%A9opold_II_of_Belgium Thank you for using the Jiskha Homework Help Forum. Hopefully you have a good history of the Congo. I'm sure we've

  46. Biology

    How do you find out how many tRNA are in a sequence? How do you name a RNA? http://en.wikipedia.org/wiki/Transfer_RNA http://en.wikipedia.org/wiki/Translation_%28genetics%29

  47. Biology

    1. In an experiment, a man drank a litre of water, his urine output increases so that after hours he had eliminated the extra water. When he drank a litre of 0.9% of sodium chloride (common salt), there was little or no increase in his urine production.

  48. Science

    What is wood buffalo's position in the food chain? Also, how do they contribute to the environment? http://en.wikipedia.org/wiki/Wood_Bison Top prey item for wloves and grizzly. Especially the young and weak. give an example of a skeletal muscle does

  49. SCIENCE

    What is the uses a ribosome? wouldn't it be to feed the copy of DNA and to make proteins out of amino acids. What is an amino acid made of and what is it's uses? wouldn't that one be it is made of three bases and it is used to make proteins. sorry the

  50. History

    How do I figure out whether I side with the Federalists or the Anti-Federalists? Read these and then decide: http://en.wikipedia.org/wiki/Federalists and http://en.wikipedia.org/wiki/Anti-federalist =)

  51. ap us history

    what was alexander mitchell palmer's background. What religion is he associated with and how was his relationship with his parents? http://de.wikipedia.org/wiki/Alexander_Mitchell_Palmer This is in German, but it's not too hard to figure out what they're

  52. Science Meiosis

    When plants such as Strwberries reproduce by sending runners, they reproduce without sex cell? true or false? First read: http://en.wikipedia.org/wiki/Asexual_reproduction

  53. BIO!!

    How do purines compare to pyrimidines? http://en.wikipedia.org/wiki/Pyrimidine http://en.wikipedia.org/wiki/Purine

  54. holocaust

    I need informatiom on when the Holocaust began and ended. http://en.wikipedia.org/wiki/Holocaust Scroll down to the Contents and read section 4. =) Please remember that posting several times with the same or very similar topic -- and for which you receive

  55. Enthnic Groups

    DID AFRICAN AMERICAN FACE PREJUDICE, SEGREGATION,RACISM,OR ANY COMBINATION OF THE THREE?IF SO HOW AND WHY? http://en.wikipedia.org/wiki/History_of_slavery_in_the_United_States http://en.wikipedia.org/wiki/American_Civil_Rights_Movement_(1896-1954)

  56. European History

    Explain the role of science and empiricism in reshaping Europen cities in the nineteenth century. How did advancements in science and technology improve the lives of the working class in Europe? These sites may be of help.

  57. Business

    What are the sectores of the economy? Since this is not my area of expertise, I searched Google under the key words "economy sectors" to get these possible sources: http://www.tutor2u.net/economics/content/topics/development/development_economy_sectors.htm

  58. History

    Compare and contrast the views of Thomas Jefferson and Alexander Hamilton on the Constitution, National Bank, and Foreign Affairs. Anyone please i got to write an essay on this and cant find the information i need. PLEASE HELP ASAP Search for the word

  59. Social Studies

    On this website, under Social Studies Homework Help, there is something listed as "Black Tuesday". In class, we are also studying about the 1930s and World War II, but we were talking about "Black THURSDAY"...partially confused...

  60. psychology

    why is the Cognitive theory the most popular among contemporary therapists. I'm not sure what you mean by "popular." Very often therapists are relatively eclectic, using the best aspects of several theories rather than just one. It also depends on which

  61. american hist

    -how were the federalists able to win ratification of the constitution? http://en.wikipedia.org/wiki/Federalist_Papers http://en.wikipedia.org/wiki/History_of_the_United_States_Constitution http://www.answers.com/topic/ratification-of-the-constitution

  62. chemistry

    thanks Can someone please help me with these questions please? 1) How is evaporation different than boiling? 2) What advantage is there to using hot water to make ice cubes? 1) http://www.pkwy.k12.mo.us/west/teachers/anderson/pack7/boil/boil.html

  63. Hum 130

    What are the central beliefs of Islam, and how are they reflected in the "Five Pillars” I couldn't get into the www.islam.com website at the moment, but you might want to check back there eventually. Meanwhile, peruse this:

  64. Physical Science

    If an egg falls into apple sauce or water, is it an inelastic collision? http://en.wikipedia.org/wiki/Inelastic_collision and http://en.wikipedia.org/wiki/Elastic_collision Then decide. Hint: yes Another hint: Did the egg bounce back up to its original

  65. IB/AP

    Is IB, applicable for American citizens in high school? Thank you for using the Jiskha Homework Help Forum. Here are some sites to give you a better background on the IB Program: Here are some sites to give you more background on the IB Program: 1.

  66. Science

    im stuck in some questions in my homework.. thnx in for ur help in advance! 1)What is the process where elements heavier than helium are formed? 2)What type of features are found at subduction zone(convergent boundaries)? ders 4 answers for it.. i already

  67. History

    Describe a major result of the Civil War on the US. Was the result good or bad for the country? http://en.wikipedia.org/wiki/American_Civil_War#Analysis_of_the_outcome from http://en.wikipedia.org/wiki/American_Civil_War Lots of results to choose from. Be

  68. Literary

    what does this mean the definition: Word: "anapest" definition: three syllables with third stressed: a metrical foot of three syllables with the stress on the third syllable, or of two short syllables followed by a long syllable. The word "unconcerned" and

  69. Modern World History

    I have to write an essay to compare and contrast the unification movments of modern day Italy & Germany. Where can i obtain information describing each movement? How were they Similar? how where they different. Here are some appropriate sites: ITALY

  70. social studies

    who are the main leaders of Germany? http://en.wikipedia.org/wiki/Germany Scroll to politics

  71. World Studies

    Why was the Civil War important? Why was World WarII important? Please answer my questions! http://en.wikipedia.org/wiki/World_War_I http://en.wikipedia.org/wiki/World_War_II Please note that we are not here to do students' homework for them. Our tutors

  72. History

    I have been looking for the anwers to the follwing questions. I need to compare the following types of governments Democratic, Dictatorial and Parliamentary. I need to know the type of leader for each, economic system, and governing body. Thanks in

  73. Science 2

    What is the critical temperature at which hydrogen can fuse into helium in the star’s core? A.5,800 K B.26.000 K C.One million K D.Ten million K E.100 million K Please research your questions at the following links I located for you:

  74. us history, need help quick please!!

    i need to make a t-table. i need to know the complaints of the anti-federalists about the congress, executive branch, judiciary branch, and the right of the people, and then the federalist responce to each of these complaints. Please check these sites. The

  75. History

    What's the difference between COMECON and COMINIFORM? Thanks in advance! http://en.wikipedia.org/wiki/Comecon http://en.wikipedia.org/wiki/Cominform

  76. science

    i need some facts about the pulmonary artery and the aorta http://en.wikipedia.org/wiki/Pulmonary_artery http://en.wikipedia.org/wiki/Aorta

  77. socialstudies

    what is the difference between social norm and social behaviour A social norm is a rule that's enforced by society. Social behavior is the actions that take place between members of the same species. For more explanation, check these sites.

  78. science

    Do aliens and ufo's exist? If they do, do they visiit earth? The word "alien" means foreigner or someone different. In that sense, there are many aliens. Are there intelligent beings on other planets? We don't know. We have no scientific evidence of life

  79. human genome

    The human genome has far fewer genes than previously thought. All of the following are ways that cells theoretically can increase the types of proteins they produce except alternative splicing transcription factors compounding Anticodons that are

  80. history

    Hi, I wanted to know if this is right or not. The purpose of the Espionage Act and Sedition Act during World War I was to protect government information. Also these were the only two laws which were passed during World War I.

  81. English

    In the first day of Killer Angels, (pages 1-68) what is the setting, and 3 conflicts. Also, I need to make up a spy name from the civil war The conflicts need to be _____vs.________ So far i have: Setting; Gettsyburg, 1863 Conflicts: Union vs. Confederacy

  82. socila studies^-^ ! help

    name at lease 5 important event that took place in the history of texas.(NOTE: historical events are important things that happened in the past.do not put annual events here.) http://en.wikipedia.org/wiki/History_of_Texas a major confederate blunder which

  83. psychology

    What is it the theory called when you tell your child that he can't go out an play until he eats his vegetables? .....very big grin..... Bribery! Maslow's Theory may be what you are looking for. See the site below.

  84. Physics- really fun!

    okay so i lied, it's not fun, sorry. pressure gradient-why can't submarines go to the bottem of the ocean? Thank you for using the Jiskha Homework Help Forum. but posting so close together with the SAME question is considered "flooding." It is worth

  85. biology

    why are RNA viruses much more deadly than DNA viruses? Thank you for using the Jiskha Homework Help Forum. Biology is out of my field but here are some links on RNA & DNA viruses: 1. http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/V/Viruses.html 2.

  86. soial studies

    Who helped create christianty,Judaism,& Islam. Where were they created,what are they,& when were they created. Thanks :) These sites will help you with this information. http://en.wikipedia.org/wiki/History_of_Christianity

  87. Social Studies

    How did the Spanish-American War change the role of the United States in the world? Im stuck.... http://en.wikipedia.org/wiki/Spanish_American_War Read the section called Aftermath. =) Thanks! Sure helped- Never thought of Wikipedia!

  88. Sciene

    The question is list ten habitats in the picture and the picture is a running water commujnity and the animals are limpet, bivalve, water louse, caddis fly lava, crayfish, flatworm, shrimp, snail and dragon fly.

  89. Art Appreciation

    Choose three examples of Roman engineering (any combination of public works and/or private houses) and provide the following information: Describe the item, including how it stands (arches, columns, vaults, free form, etc.). I need help with this question!

  90. Government

    I am a college student but I really need help with one of my classes. I was wondering if you could help. Thanks! How did the Voting Rights Act of 1965 and the Civil Rights Act affect other minority groups? These articles point out that the Civil Rights and

  91. Science

    True or False: Einstein's general theory of relativity explains that light is unaffected by gravity. Fill in the Blank: Newton's law of says that the gravitational force between 2 objects is proportional to the quantity of their masses and inversely

  92. Bio

    A double phosphorylated, triose intermediate in the glycolytic pathway is ___________ . a) 2PG b) F1,6BP c) 1,3BPG d) 3PG I believe the answer to this question is (d) in the Triose Split step of the glycolysis/fermentation, the product is DHAP and 3PG.

  93. unsaturated!

    Alkenes and alkynes are unsaturated. This means??? um.. I honesly don't know what this means! http://en.wikipedia.org/wiki/Unsaturated_compound Since this is not my area of expertise, I searched Google under "unsaturated alkenes to get this source:

  94. history

    what is democracy and why is it importent and also why is it btter than comralisam and fashison.also a peom 0n democracy thank you Thank you for using the Jiskha Homework Help Forum. Here is a site on the history of "democracy" which is what we have in the

  95. history

    What did they do? I was only able to scan the word I didn't have time to read on? Sorry I should have been more detailed. http://en.wikipedia.org/wiki/Works_Progress_Administration

  96. Please Teach Me More About Buddha!

    How many different "Buddhas" are there in the Tibetan pantheon? How does this differ from Theravada Buddhism? http://en.wikipedia.org/wiki/Tibetan_Buddhism http://en.wikipedia.org/wiki/Theravada_Buddhism Let us know what you think. =) While you read

  97. biology

    Why must plants have both mitochondrion and chloroplasts? Thanks in advance. I think it has something to do with the fact that chloroplasts convert sunlight into chemical energy. Does that sound right? One of the most widely recognized and important

  98. Geography

    Why is it unlikely to find earthquakes at depths greater then 300km? (something to do with the athenosphere) According to the principle of isostasy, what will happen to the elevation of a mountain range in the early stages of erosion? Why are continents

  99. World Politics (examples)

    I'm reviewing my notes for my final this week and there are a couple of gaps. 1. What countries (if any) today practice fascism? 2. I have something in my notes about dictators and I have Papa Doc and Baby Doc in parenthesis. What country are they

  100. cells

    what are the properties of blood cells. Since this is not my area of expertise, I searched Google under the key words "blood cells" to get these possible sources: http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/B/Blood.html

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