1. Science - - Cells

    What structures are found only in animal cells? I can't figure it out...I know that chloroplasts and a cell wall are only contained by plant cells. But what about animal cells?

    asked by Eve on December 3, 2007
  2. Cynthia

    Which of the statements below correctly compares features of plant and animal cells? Plant cells have a cell membrane, while animal cells have both a cell wall and a cell membrane. Plant cells have ribosomes only on the rough ER, while animal cells have

    asked by Biology on November 29, 2013
  3. Science Thinking Works

    Plant and animal cells are different because A: plant cells do not have a nucleus or mitochondria B: animal cells do not have DNA or ribosomes C: plant cells do not have a cell membrane D: animal cells do not have a cell wall or chloroplasts I think the

    asked by Connexus on April 20, 2018
  4. 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

    asked by April on January 13, 2007
  5. Science

    1. Which of these statements is TRUE? A.The nucleus gives the cell its shape. B. Chloroplasts make food for animal cells. C. Animal cells have many different shapes. D. A plant cell can become a blood cell. C

    asked by Hayden on February 27, 2014
  6. 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

    asked by Tammy on June 12, 2009
  7. biology

    need a list describing at least five similarities and three differences between plant and animal cells. In addition i need five internal structures of plant or animal cells and describe their functions in my own words.

    asked by Anonymous on April 4, 2010
  8. Biology

    Plants have cells that contain chloroplasts. Why must their cells contain mitochondria as well? Chloroplasts are the sites of photosynthesis. Mitochrodria is the site of energy synthesis.

    asked by marco on November 18, 2006
  9. biology

    which of the following types of cells need to make energy to perform basic functions like growing, moving, and reproducing? -animal cells -animal cells and bacteria cells -animal cells, bacteria cells, and plant cells -plant cells

    asked by please help on November 3, 2014
  10. Science Paragraph Check

    In this project I done about cells I learn about the job of each part of the cell. I also learn about where it’s found. As I was doing some research on this project I learn so many things. For example , vacuoles are water-filled storage spaces found in

    asked by Laruen on January 17, 2012
  11. science 8

    what structures do plant cells contain that animal cells do not?

    asked by ann on September 30, 2009
  12. biology

    How does mitosis in plant cells differ from that in animal cells? A. Animal cells lack a cell plate. B. Plant cells lack centrioles. C. Plant cells lack spindle fibers. D. Animal cells lack cytokinesis. I chose b but I got it wrong please help....

    asked by nina on September 30, 2013
  13. science

    what are cells made from? Please, what kind of cells? There are many kinds. Jail cells, hive cells, plant cells, animal cells, blood cells, brain cells. We need a more definitve question.

    asked by simrandeep on April 18, 2007
  14. biology/cells

    what cells can make energy from sugar molecules? -only plant and animal cells -only animal cells -plant, animal, bacteria, and protist cells -only plant cells

    asked by please help on November 3, 2014
  15. science

    All living things must carry out certain functions and possess certain structures to survive, grow, and reproduce. The following chart illustrates how humans possess certain structures to carry out these critical functions. Fill in the plant structures

    asked by NEED HELP on June 2, 2014
  16. science

    All living things must carry out certain functions and possess certain structures to survive, grow, and reproduce. The following chart illustrates how humans possess certain structures to carry out these critical functions. Fill in the plant structures

    asked by Anonymous on June 1, 2014
  17. science

    All living things must carry out certain functions and possess certain structures to survive, grow, and reproduce. The following chart illustrates how humans possess certain structures to carry out these critical functions. Fill in the plant structures

    asked by Anonymous on June 2, 2014
  18. science

    All living things must carry out certain functions and possess certain structures to survive, grow, and reproduce. The following chart illustrates how humans possess certain structures to carry out these critical functions. Fill in the plant structures

    asked by Anonymous on June 2, 2014
  19. science

    All living things must carry out certain functions and possess certain structures to survive, grow, and reproduce. The following chart illustrates how humans possess certain structures to carry out these critical functions. Fill in the plant structures

    asked by Anonymous on June 2, 2014
  20. science

    All living things must carry out certain functions and possess certain structures to survive, grow, and reproduce. The following chart illustrates how humans possess certain structures to carry out these critical functions. Fill in the plant structures

    asked by PLZ Help With Chart on June 2, 2014
  21. science

    All living things must carry out certain functions and possess certain structures to survive, grow, and reproduce. The following chart illustrates how humans possess certain structures to carry out these critical functions. Fill in the plant structures

    asked by Can someone plz help on June 2, 2014
  22. Biology

    What are Five internal structures of plant or animal cells and describe their functions in your own words.

    asked by Rayna on November 11, 2009
  23. science

    All living things must carry out certain functions and possess certain structures to survive, grow, and reproduce. The following chart illustrates how humans possess certain structures to carry out these critical functions. Fill in the plant structures

    asked by Anonymous on June 4, 2014
  24. Science

    Describe the difference and function between how plant cells and animal cells obtain food. I put something like- plant cells get food by photosynthesis, using chloroplast, sun, water, and carbondioxide. animal cells get food by digesting water, meat,

    asked by Ann on September 20, 2011
  25. science

    answer check?? 1) What two tissues are found within a vein? Xylem and Phloem. 2) What does the word "Mesophyll" mean? Middle Leaf. 3) What two layers of the plant contain chloroplasts? Palisade layer and Spongy layer. 4) The outermost layer of a cell:

    asked by sami doodles :-) on March 20, 2013
  26. division differences

    use table to compare appearance of the dividing plant cells with the appearance of the dividing animal cells. dividing of plant cells= -divide the cytoplasm between the 2 new nuclei by forming cell wall between nuclei. i need dividing animal cell help.

    asked by Anonymous on June 17, 2010
  27. biology

    Choose two structures or organelles of the cell (not used in part one above.) Describe these two or organelles – what do they look like, what are they composed of? Then explain how these plant or animal cell structures or organelles function. How do

    asked by Anonymous on November 21, 2008
  28. Biology

    I have to write 2-4 sentences on these questions. Can I please get some help? 'Both animal and plant cells undergo cytokinesis after mitosis ends. a) How is the process and its outcome same for both animal and plant cells? b)How is the process and its

    asked by mysterychicken on February 1, 2010
  29. Biology

    I have to write 2-4 sentences on these questions. Can I please get some help? 'Both animal and plant cells undergo cytokinesis after mitosis ends. a) How is the process and its outcome same for both animal and plant cells? b)How is the process and its

    asked by mysterychicken on February 1, 2010
  30. AP Biology

    Hi you guys I am having trouble with the cell communication chapter so I would really appreaciate if someone could help out with this question "What could happen to the target cells in an animal that lack receptors for local regulators?" I know that some

    asked by Claudia on December 4, 2007
  31. Biology

      How does mitosis in plant cells differ from that in animal cells?      A. Plant cells lack centrosomes.">A. Plant cells lack centrosomes.B. Plant cells lack spindle fibers.">B. Plant cells lack spindle fibers.C. Animal cells lack a cell

    asked by Brooklyn on June 25, 2015
  32. science

    Which of the following is NOT found in animal cells? a. cell wall b. cell membrane c. organisms d. prokaryotes I think the answer is cell wall, but I'm not sure. Cell walls are only found in plant cells as far as I know. yes, a

    asked by jose on March 25, 2007
  33. Science

    Please Help with the last few questions on my Science Test. 11. Molecules naturally spread from areas of ______________ concentration to areas of ______________ concentration through a process called _____________. 1. high;low;diffusion

    asked by Apple on November 23, 2018
  34. Biology

    I need help with a crossword and I cant figure out what the words are too these clues: Possible opening found in the cell membrane substance which makes up cell walls granular material in the nucleus that thickens to become chromosomes the endoplasmic

    asked by Jillian on September 15, 2009
  35. AP biology

    I posted this question three days ago but no one answered. Hi you guys I am having trouble with the "cell communication" chapter so I would really appreaciate if someone could help out with this question "What could happen to the target cells in an animal

    asked by Claudia on December 6, 2007
  36. science

    Gene therapy research uses _______ to alter defective hereditary material. (1 point) bacteria cells interferons viruses 2. _____ transports materials within a cell and between cells and makes up ______ percent of most organisms. (1 point) Fat; 60 Protein;

    asked by Girl on January 17, 2013
  37. Biology

    A detective gathers cell evidence at a crime scene. The victim is a 37 year old man, killed by a blow to the head. Closer examination of the evidence leads the detective to conclude that firewoods was used. Which of the following kinds of evidence BEST

    asked by Mary Beth on October 5, 2012
  38. Science

    Which of the following must be true of the structures of axons and muscle cells in order for nerve impulses to stimulate muscle contraction? A. Axons in muscle cells must both have structures that make in secrete the same molecules B. Axons in muscle cells

    asked by Help pleasee on April 20, 2017
  39. Biology

    what are 2 places genes are found in animal cells and what are 3 places genes are found in plant cells?

    asked by Jessie on October 12, 2010
  40. More Science

    5. What is the major difference between ectotherms and endotherms? A, Whether or not the animal builds a nest on land. B, whether or not the animal has been found on several continents C, whether or not the animal maintains a constant body temperature***

    asked by No one special on March 8, 2016
  41. Biology

    How does chloroplasts move when placed in a different solution? I understand that chloroplasts are just randomly scattered through out the cytoplasm, but what does placing the cell in a different solution that can be hypotonic or hypertonic affect the

    asked by Lily on October 24, 2015
  42. Science 7R (Lab questions)

    We did a lab today at science and for homework we have to answer questions about the Lab. I need help on 2. 12. Name two ways that a plant and animal cells differ in structure? 13. How are plant and animal cells different in function? She said that we have

    asked by Laruen on December 1, 2011
  43. Science

    What is the major difference between ectotherms and endotherms? 1)whether or not the animal builds nests on land 2)whether or not the animal has ben found on several continents 3) whether or not the animal maintains a constant body temperature 4) whether

    asked by Jamie M on February 20, 2018
  44. Science

    Which of the following must be true about the structures of axons and muscle cells in order for nerve impulses to stimulate muscle contraction? a- Axons and muscle cells must both have structures that make and secrete the same small molecules. b- axons and

    asked by Anonymous on February 21, 2014
  45. Science

    Which of the following must be true about the structures of axons and muscle cells in order for nerve impulses to stimulate muscle contraction? a- Axons and muscle cells must both have structures that make and secrete the same small molecules. b- axons and

    asked by Anonymous on February 20, 2014
  46. Science

    Which of the following must be true about the structures of axons and muscle cells in order for nerve impulses to stimulate muscle contraction? a- Axons and muscle cells must both have structures that make and secrete the same small molecules. b- axons and

    asked by Anonymous on February 20, 2014
  47. Science

    Do potato cells have chloroplasts?

    asked by anne on March 20, 2009
  48. Biology

    Are these correct? A. harvests energy from organic compounds= mitochondria B. makes proteins in both types of cells= ribosomes C. uses light energy to make food= chloroplasts D. outer support for plant cells= cell wall E. gives shape and protection to

    asked by mysterychicken on January 21, 2010
  49. Science

    1. How does plant cell mitosis differ from animal cell mitosis? A) Plant cell mitosis is much faster B) Plant cells do not undergo mitosis C) Plant cells have rigid cell walls making it difficult to pinch in D) Plant cells pitch in and animal cells do not

    asked by Hayden on October 12, 2016
  50. 7th grade science Ms. Sue please check

    Hi! Can you check my answers please and I need help on 4 and 5 I cannot find the answers!!!! Please help! 2. _____ transports materials within a cell and between cells and makes up ______ percent of most organisms. (1 point) Fat; 60 Protein; 40 Sugar; 75

    asked by Delilah on November 2, 2012
  51. AP Biology

    1.Oparin and Haldane hypothesized that the Earth's early atmosphere was strongly (2 points) acidic. oxidizing. reducing. ~~ ionic. 2.The most significant outcome of the Miller and Urey experiments was that they (2 points) synthesized living cells from

    asked by henry on September 12, 2012
  52. science

    do plant cells have chloroplasts or mitochondria? Please help...im so confused!

    asked by baby girl on April 13, 2009
  53. Check please science

    Cells are to tissues as organs are to 1 ORGAN SYSTEM 2 CELLS 3 GENES 4 ORGANELLES IS THE ANSWER 1 ORGAN SYSTEM Which of statements about cells is not true? 1. One or more cells make up all living organisms 2 cells carry on the basic life functions of

    asked by GAspar on October 3, 2011
  54. science

    1.Leeuwenhoek’s invention of the _____ made the development of the cell theory possible. * telescope * microscope * cork * magnified glass 2. Chlorophyll can be found in organelles called______. * amino acids * chloroplasts * Golgi bodies * ribosomes

    asked by please answer =)!!!!!! on November 30, 2012
  55. Biology

    In which type of cell does a cell plate form during cytokinesis? a. in plant cells b. in animal cells c. in plants and animals d. in all cells answer: d

    asked by Kimmy on October 26, 2016
  56. Zoology

    Im on the last 5 quiestions and I really just cant find them. 1. What makes and builds cells, if an animal does not get enough it cannot make skin cells, build muscle, or grow? 2. What helps with metabolism, determines how effectively the body uses food?

    asked by Sam on November 18, 2008
  57. Biology

    You are observing a slide of green cells under the 4X objective. Each cell covers roughly 1/8th of the width of your field of view. How large of a diameter do these cells have? The equation I found is: Size of cell= field diameter/ # of cells that fit

    asked by Kay on June 20, 2011
  58. Biology

    1)Animal cells prefer to be in isotonic solution, while plant cells prefer to be in hypotonic solution. Explain what this means and why it is so. 2.) In terms of Gibbs free energy, what does “unstable” mean? Also, give at least two additional ways to

    asked by Alex on October 24, 2012
  59. Biology

    37. Both animals and plant cells undergo cytokinesis after mitosis ends. How is the process and its outcome the same for both animals and plant cells? How is the process and its outcome different for animal and plant cells? Due to the presence of a cell

    asked by mysterychicken on February 7, 2010
  60. Biology

    37. Both animals and plant cells undergo cytokinesis after mitosis ends. How is the process and its outcome the same for both animals and plant cells? How is the process and its outcome different for animal and plant cells? Due to the presence of a cell

    asked by mysterychicken on February 6, 2010
  61. Biology

    37. Both animals and plant cells undergo cytokinesis after mitosis ends. How is the process and its outcome the same for both animals and plant cells? How is the process and its outcome different for animal and plant cells? Due to the presence of a cell

    asked by mysterychicken on February 7, 2010
  62. life science

    An organism's ability to maintain steady internal conditions despite changes in its external environment is called biogenesis homeostasis osmosis respiration In an organism, a virus enters, and reproduces within, a(n) host cell infection interferon

    asked by joe on May 12, 2010
  63. bio

    if you were given a slide containing living cells of an unknown organism, how would you identify the cells as either plant or animal?

    asked by ang on October 17, 2009
  64. science

    Is this true, animal cells are squire/rectangular and plant cells are circular? If so, why?

    asked by 1234 on November 9, 2009
  65. Science

    What means Cells in Science? It depends on the context: In electricity, or chemistry, cells are sources of electrical energy. In life science, cells are the basic unit of construction for animal or plant life.

    asked by Urvashi on December 31, 2006
  66. biology

    what are the differences and similarities between plant and animal cells http://www.cellsalive.com/cells/cell_model.htm

    asked by biobuff on July 5, 2006
  67. science

    Animal cells and plant cells have an outer covering, a _____. Their control center is called a _______.

    asked by travis on August 18, 2010
  68. Biology

    What organelle do plant cells have that animal cells don't? other than chloroplast.

    asked by John on February 19, 2011
  69. Science

    In which part of the plant would you expect to find cells with the most chloroplasts? A.leaves*** B.roots C.xylem D.cambium

    asked by Lyn on October 16, 2017
  70. biology

    WHy is it better to use a wet mount preparation rather then a dry one? are plant and animal cells prokaryotic or eukaryotic? WHy do cells have different shapes and sizes?

    asked by anonymous on October 6, 2009
  71. NEED HELP! CHEMISTRY

    Three electrolytic cells containing solutions of CuNO3, Sn(NO3)2, and Fe(NO3)3, respectively, are connected in series. A current of 2.2 A is passed through the cells until 3.10 g of copper has been deposited in the cell. (a) What masses of tin and iron are

    asked by Mark on March 29, 2010
  72. Biology

    1. Why are cells from a blastula used to examine mitosis? 2. How fast do you think cells divide when an embryo is developing compared to the normal growth of an animal?

    asked by Mely on July 19, 2010
  73. Science

    Study the image of the fossil shown below. How might a scientist use this fossil to learn more about the history of life on Earth? connexus dot com/content/media/917517-4162013-72829-PM-1012149111.jpg to compare structures in the fossil with homologous

    asked by Anonymous on November 24, 2013
  74. Writing

    I'm trying to write a compare and contrast essay about animal cells and plant cells. I need differences and similarities between them. Could anyone please help me? Oh, and it would be nice if you started me off with a few sentences so I would continue it.

    asked by Val on May 26, 2016
  75. Science 7R Q2

    What is the difference between a plant cell and an animal cell? a. plant cell have cell wall a animal cell don't b. a plant cell have cholroplast and a animal cell don't c. plant cell have a huge vacuole and a animal cell have a small vacuole d. animal

    asked by Laruen on January 16, 2012
  76. science

    can someone please help me with this question. Give me an example of a jellyfish and a eagle body plan or internal structures. Then explain what is a body plans and internal structures for animal.

    asked by Dj on April 11, 2008
  77. Biology

    Why is plant cells different from animal cells during mitosis?

    asked by Luci on November 17, 2008
  78. science

    What are the 5 specialized plant cells and animal cells

    asked by shaquille clarke on September 5, 2008
  79. biology

    Cells contain specialized parts known as organelles. These specialized parts perform very specific functions within cells. For example, chloroplasts capture energy from the Sun, mitochondria release energy stored in glucose, lysosomes aid in waste

    asked by Anonymous on February 3, 2019
  80. BIOLOGY

    From your knowledge of the size and density of cell components and the process of centrifugation, predict the order (from first to last) that the nucleus and organelles will be extracted? a.ribosomes-mitochondria and chloroplasts-nucleus-soluble cytoplasm

    asked by CHARLOTTE on September 30, 2009
  81. science

    how are onion cells different from animal cells

    asked by Jacqueline on October 3, 2007
  82. Science 4th grade

    1. The cell --------surrounds the cell parts. 2. The cell --------- gives plants cells their shape. 3. --------- are structures that release energy from food. 4.----------are structures that store food, water, or wastes. ANSWERS 1. membrane 2. wall 3.

    asked by LaNoria on September 8, 2008
  83. Science

    Muscle Cells Have Large Numbers Of __________________: A. Chromosomes B. Mitochondria C. Chloroplasts D. Cellulose Fibers I think it is B. Mitochondria. Is that right? Please Help!!!! Thank you.....

    asked by Happy Face on December 7, 2008
  84. Biology

    Which features are common to all cells? Check all that apply. All cells have cytoskeleton lysosomes vacuoles the cytoplasm flagella and fimbriae photosynthetic membranes the plasma membrane ribosomes the cell wall genetic information (DNA) in chromosomes

    asked by Anonymous on October 17, 2015
  85. Science

    Which of the following is NOT a characteristic of an animal? Have eukaryotic cells digest their food make their own food******* have many cells with different functions

    asked by Maddie on April 10, 2017
  86. science

    Working on animal cells. Have to label what make up an animal cell in order 1-8 of the following; nucleus, cell membrane, vacuole, cytoplasm, mitochondria, goligi body, endoplasmic reticulum, ribosome??? Not sure where to start

    asked by anthony on October 27, 2008
  87. biology

    The micelle and the liposome are two structures formed by phospholipids in an aqueous environment. They are represented here in cross section. The letters A, B, C, and D represent different regions. Four different molecules are shown below. For each,

    asked by selly on March 13, 2013
  88. biology

    All of the cells are in the very early stages of embryonic development and have not begun to differentiate into specialized types of cells. What type of cells would these be? A) gametes B) stem cells C) somatic cells D) epidermal cells

    asked by Angelina on December 6, 2016
  89. Science

    What are other 4 specialized plant cells and animal cells EXAMPLES Animal cell- sperm cell,which my teacher told me Plant cell- the root hair of the plant, which my teacher told me

    asked by Shaquille Clarke on September 5, 2008
  90. Science

    Problem: What are parts of a cell and how are animal cells different from plant cells? Hypothesis: Can someone help me get a hypothesis?

    asked by Anonymous on April 11, 2014
  91. Science

    Problem: What are parts of a cell and how are animal cells different from plant cells? Hypothesis: Can someone help me get a hypothesis?

    asked by Anonymous on April 13, 2014
  92. science

    Working on animal cells. Have to label what make up an animal cell in order 1-8 of the following; nucleus, cell membrane, vacuole, cytoplasm, mitochondria, goligi body, endoplasmic reticulum, ribosome??? Not sure where to start. Can not open the last

    asked by anthony on October 27, 2008
  93. Science

    An animal cell has all of the following structures except ________

    asked by Vicki on February 27, 2012
  94. Biology

    why do certain cells contain more of certain structures than do others

    asked by Lulu on September 16, 2012
  95. Biology

    Just need to answer these last two questions in order to finish my lesson one test. Please help 37. Both animals and plant cells undergo cytokinesis after mitosis ends. How is the process and its outcome the same for both animals and plant cells? How is

    asked by mysterychicken on February 5, 2010
  96. 7th grade science Ms. Sue please

    2. The smallest unit of life is the _____. (1 point) cell homeostasis organism protein 3. The nucleus is the largest of the _____. (1 point) chloroplasts mitochondria organelles ribosomes 6. Which is not found in animal cells? (1 point) central vacuole

    asked by Delilah on December 6, 2012
  97. Science

    Sperm cells have very little cytoplasm, while egg cells have a lot of cytoplasm. How do these different structures support the different functions of eggs and sperm?

    asked by Jess on March 14, 2011
  98. science,

    Animals and plant cells are not exactly the same. Plant cellshave partsthat animal cells do not. One of these parts is a Cell Wall. Why does a plant cell has a cell wall and an animal cell does not?

    asked by Anonymous on January 5, 2010
  99. Science

    What kind of Information can a Compound microscope provide? Much more information than I can type for the next three months. Blood cells, animal parts, leaf structures, snow flakes, and you get the idea. I was sick about two weeks when I was a child and we

    asked by marco on September 9, 2006
  100. Biology

    There are many differences between the two major cell types: prokaryotes and eukaryotes. However, the different structures and modes of organization perform basically the same functions. Briefly compare and contrast the different features or functions of

    asked by Chandler on August 12, 2011