1. 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
  2. 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
  3. Biology

    Need help with these two: 26. Why do plant cells contain both choroplasts and mitochondria? a. in the light, plants are photosynthetic autotrophs. In the dark, they are heterotrophs. b. if plants can't produce enough ATP to make sugars during
  4. Biology

    Need help with these two: 26. Why do plant cells contain both choroplasts and mitochondria? a. in the light, plants are photosynthetic autotrophs. In the dark, they are heterotrophs. b. if plants can't produce enough ATP to make sugars during
  5. Biology

    Need help with these two: 26. Why do plant cells contain both choroplasts and mitochondria? a. in the light, plants are photosynthetic autotrophs. In the dark, they are heterotrophs. b. if plants can't produce enough ATP to make sugars during
  6. Biology

    Need help with these two: PLEASE help me; this is like the 4th time I'm posting this. 26. Why do plant cells contain both choroplasts and mitochondria? a. in the light, plants are photosynthetic autotrophs. In the dark, they are heterotrophs. b. if plants
  7. 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
  8. biology

    Why does a plant cell transports water against the force of gravity contain many more mitochondria than other plant cells?
  9. Biology

    In plants, cells that transport water against the force of gravity are found to contain many more mitochondria than some other plant cells. What is the reason for this?
  10. Science

    It’s OK to say that your brain is solar powered, because A) mitochondria in plant cells convert solar power to the chemical power that is used to run your brain. B) cellular respiration is powered by sunlight. C) the antenna complex in chloroplasts acts
  11. Science

    It’s OK to say that your brain is solar powered, because A) mitochondria in plant cells convert solar power to the chemical power that is used to run your brain. B) cellular respiration is powered by sunlight. C) the antenna complex in chloroplasts acts
  12. science

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

    name the chemical process that occurs within the mitochondria of all plant and animals cells?
  14. science

    In pea plants, the allele for tall (T) is dominant to the allele for short (t). Which of the following is the percent of offspring that will be tall if a heterozygous plant (Tt) is crossed with a homozygous tall plant? A. 100% B. 75% C. 50% D. 25% i think
  15. 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
  16. 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.
  17. 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....
  18. 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
  19. 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
  20. 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
  21. 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.....
  22. math

    Cells ina certain plant can triple in number every 15 minutes.How many times greater is the number of plant cells after an hour and a half then the number of cells the plant had origanally?
  23. biology

    Which of the following statements best explains the relationship between the mitochondria and the plasma membrane? A. The mitochondria makes proteins that become a part of the plasma membrane. B. The mitochondria makes a gas that the plasma membrane uses.
  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,
  25. 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
  26. science

    which of the following allows a plant's vascular system to work as a transport system? A. a plant's vascular system is made up of specialized cells that move around the plants as it grows. B. a plant's vascular system is made up of specialized cells that
  27. SCIENCE

    which of the following allows a plant's vascular system to work as a transport system? A. a plant's vascular system is made up of specialized cells that move around the plants as it grows. B. a plant's vascular system is made up of specialized cells that
  28. 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
  29. 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
  30. 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
  31. science

    I have two questions I need help with please. Thank you! 1)Mitochondria, the energy-processing organelles in eukaryotic cells, have their own DNA, separate from that of the cell’s nucleus. Which of the following choices best explains the presence of
  32. 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
  33. 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
  34. 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
  35. Science

    Circle the letter of each scentence that is true about the products of photosynthesis: a: Plant cells use the sugar for food. b: Some of the sugar is made into other compounds, such as cellulose. c: Some of the sugar is stored in the plant's cells for
  36. math

    A student observes two different types of cells under a microscope. She noticed that one cell had many more mitochondria than the other. What can the student predict about the cell with more mitochondria?
  37. 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.
  38. chemistry

    1. Which of the following statements about the cell theory is correct? a) All living organisms are made up of one or more cells. b) All cells arise from other, pre-existing cells c) All eukaryotic cells contain symbiotic prokaryotes. d) All prokaryotic
  39. biology

    can you explain the differences and similarities between the energy cycles of human cells, plant cells, and yeast cells?
  40. 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.
  41. I really need help in science please anyone thanks

    Since fermentation occurs in the cytoplasm of yeast cells explain the role of mitochondria in yeast cells ? If anyone can help me this I will truly be graceful
  42. Science

    #1 Which of the following allows a plant's vascular system to work as a transport system? A A plant's vascular system is made up of specialized cells that move around the plant as it grows. B A plants vascular system is made up of specialized cells that
  43. I NEED HELP ASAP WITH SCIENCE PLEASE IT'S IMPORTAN

    Since fermentation occus in the cytoplasm of yeast cells explain the role of mitochondria in yeast cells?
  44. 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
  45. science

    A student observed two different types of cells under a microscope. She noticed that one cell had many more mitochondria than the other. What can the student predict about the cell with more mitochondria? A. The cell produces more waste. B. The cell makes
  46. science

    A student observed two different types of cells under a microscope. She noticed that one cell had many more mitochondria than the other. What can the student predict about the cell with more mitochondria? A. The cell produces more waste. B. The cell makes
  47. Science

    A student observed two different types of cells under a microscope. She noticed that one cell had many more mitochondria than the other. What can the student predict about the cell with more mitochondria? A. The cell produces more waste. B. The cell makes
  48. 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
  49. Science

    A student observed two different types of cells under a microscope. She noticed that one cell had many more mitochondria than the other. What can the student predict about the cell with more mitochondria? A. The cell produces more waste. B. The cell makes
  50. 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;
  51. 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
  52. Science

    Organisms that maintain a constant body temperature rely on the heat produced by cells. Where does this heat come from? A) Special metabolic pathways exist just for the production of heat. B) Mitochondria produce heat in the form of ATP. C) Plants store up
  53. Biology

    Which plant cells lack a nucleus? A) sieve cells B) xylem C) companion cells D) both companion and parenchyma cells E) both xylem and sieve-tube cells Why is the answer E?
  54. 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
  55. 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?
  56. MINERALS

    can someone pls explain (n i mean explain) the effect of nitrate ion and magnesium ion deficiency on plant growth proteins....well they are used for repairing worn out cells and for producing new cells? chlorophyll....it'll be able to photosynthesise less
  57. Bio

    A biologist was experimenting with a corn plant that had previously incorporated radioactive carbon into starch stored in its cells. She measured the radioactivity present in the following compounds: Sugar extracted from the plant CO2 producd by the plant
  58. 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.
  59. Biology

    The combustion of petrol in a car engine releases about as much energy per gramme of fuel as the repiration of sugar in cells. Try to explain, in outline, the fundamental differences between the processes I am taking Biolagy right now and i am having a
  60. science

    Function/ Human Structure/ Plant Structure 1. Gas exchange 1. lungs 1.Stoma 2. Circulation 2. Blood vessels 2.Xylem 3. Water intake 3. mouth 3.Roots 4. Energy intake 4. mouth 4.Chloroplasts 5. Internal support 5. skeleton 5.Stem 6. Energy Storage 1. Fat
  61. 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
  62. 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
  63. Science

    Which of the following statements best explains the relationship between the mitochondria and the plasma membrane? A. The mitochondria makes proteins that become a part of the plasma membrane. B. The mitochondria makes a gas that the plasma membrane uses.
  64. science

    what kind of animal cells may have alot of mitochondria present?
  65. biology

    describe the role of mitochondria in the metabolism of eukaryotic cells.
  66. science

    what kinds of animal cells might have alot of mitochondria present?
  67. Science

    What kind of animal cells might have alot of mitochondria present?
  68. Science

    What kinds of animal cells might have a lot mitochondria present?
  69. science

    "Reproductive cells and somatic cells are not separated early in development, as they are in animals。 Instead, plant somatic cells that have undergone many rounds of mitosis can undergo meiosis and produce gametes." This is said in my notes under
  70. 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
  71. 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
  72. 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
  73. 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
  74. 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
  75. 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
  76. 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
  77. 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
  78. science

    Hypothesize about a means to separate out plant cells from a mixed population of eukaryotic cells.
  79. 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?
  80. 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?
  81. 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.
  82. science

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

    I believe that I have answered the following questions correctly, but would like some reassurance. organisms that are used to decontaminate soils may a. store contaminates in their tissues b. release pollutants into the air c. degrade the pollutants d. be
  84. biology

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

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

    What organelle do plant cells have that animal cells don't? other than chloroplast.
  87. 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
  88. 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
  89. 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?
  90. Physiology

    The muscle cells of a trained athlete tend to have more mitochondria than those of a couch potato. Why?
  91. 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.
  92. AP Biology

    what evidence supports the hypothesis that mitochondria preceded plastids in the evolution of eukaryotic cells?
  93. Science

    What body system is most like the mitochondria in cells? It has to be one of these: Respiratory Muscular Immune Nervous Since I already used the other systems.
  94. science-biology

    Some herbicides, such as 2, 4-D are believed to make plant cells divide more rapidly than normal. Why would this kill plants? Why might this be dangerous to humans if it had the same effect on human cells?
  95. Science

    Some herbicides, such as 2, 4-D are believed to make plant cells divide more rapidly than normal. Why would this kill plants? Why might this be dangerous to humans if it had the same effect on human cells?
  96. biology help please :)

    Olga's teacher asked her to design an experiment using freshwater plants, fish bowls, tap water, and salt. After determining an approach, Olga placed a plant in each of three fish bowls. Then, she filled one bowl with fresh water, one bowl with dilute salt
  97. Biology

    When elongated, tube-shaped cells from the lining of the intestine are treated with a certain chemical, the cells sag and become round blobs. The internal structures disrupted by this chemical are probably _____. A. cell junctions B. microtubules C. rough
  98. science 8

    what structures do plant cells contain that animal cells do not?
  99. science

    What are the 5 specialized plant cells and animal cells
  100. Biology

    Why is plant cells different from animal cells during mitosis?