1. Biology

    Is the cell wall considered a thick gelatinous layer? Or would it be the cell membrane? And does the cell membrane contain enzymes for respiration?
  2. Biology

    What is cytoplasmic strand? and can you give me a website wherein I can find informations pertaining to plant and animal cell long chains of protiens that secure the neucleus in the middle of the cell, as well as performing other functions during mitosis
  3. Genetics

    slight differences (mutations) in different individuals mean that some may survive while others perish. how did the Lederberg's demonstrate this. Briefly describe. If mutated DNA Sequence #1 occurred in a single cell, would it be a more serious problem in
  4. Gen Chem

    A current is passed through two cells connected in series. The half-reactions occurring at the cathode of each cell are TcO4-(aq) + 8 H+(aq) + 7 e- ===> Tc(s) + 4 H2O(l) and Cu2+(aq) + 2 e- ===> Cu(s). If 4.40 g of copper are deposited in the second
  5. CHEMISTRY

    Given the following standard reduction potentials in acid solution: MnO4- + 8 H+ + 5 e-® Mn+2 + 4 H2O E°cell = 1.51 V Co+2 + 2 e-® Co E°cell = -0.28 V Cr+3 + 3 e-® Cr E°cell = -0.74 V The strongest oxidizing agent listed above is: Cr3+. Cr. Mn2+.
  6. Statistics

    I have a take home test I am working on. Any help would be appreciated. Professor does not teach from a book so am not sure how to apply this problem to the regression equation. Thanks in advance. Problem below. Cell Phone Mins= 3.5*cost + 25 where cell
  7. Last science questions I promise please help me

    Which of the following organelles coverts light energy into food? lysosome chloroplast*** nucleus ribosome Which of the following shows the correct order of cell organization starting from the least complex Tissue, Organ System, Cell, Organ Organ System,
  8. Chemistry

    Write the half cell reactions of the following? 1) Cu/Cu^2+(0.1M)//Ag^+(0.1M)/Ag 2) Zn/Zn^2+ (0.1M)//Cu^2+(0.1M)/Cu 3) Zn/Zn^2+(0.1M)//Ag^+(0.1M)/Ag 4) Zn/Zn(NH3)4^2+*0.5M)//Ag^+(0.1M)/Ag 5) Zn^2+(aq)+4NH3(aq) <--> ...show more Also, around what
  9. Electrochemistry

    Ag2CrO4(s) + 2e- 2Ag(s) + CrO42-(aq) A chemist wishes to determine the concentration of CrO42- electrochemically. A cell is constructed consisting of a saturated calomel electrode (SCE; which has a reduction potential of 0.242 V relative to the SHE) and a
  10. Chemistry

    A voltaic cell consists of a Pb /Pb^2+ half-cell and a Cu/Cu^2 half-cell at 298K. The initial concentrations of Pb^2+ and Cu^2 are 5.20×10−2 M and 1.40 M, respectively.
  11. biology

    1. Explain the problems that growth causes for cell 2. Describe how cell division solves the problem of cell growth
  12. algebra

    The size of a certain cell is 2.5 × 10–9 m. Another cell is 1.5 × 103 times larger. How large is the larger cell in scientific notation?
  13. college

    A standard voltaic cell is constructed so that the overall cell reaction is 2Al+3(aq) + 3M(s) --> 3M+2(aq) + 2Al(s) where M is an unknown metal. If ∆G⁰= -411 kJ for the overall cell reaction, identify the metal used to construct the standard
  14. chemistry

    Consider the cell: (Pt) H2/H+ || (Pt) H+/H2. In the anode half-cell, hydrogen gas at 1.0 atm is bubbled over a platinum electrode dipping into a solution that has a pH of 7.0. The other half-cell is identical to the first except that the solution around
  15. College Chemistry

    What are the concentrations of Pb2+ and Cu2+ when the cell potential falls to 0.370 V? Given: A voltaic cell consists of a Pb/Pb2+ half-cell and a Cu/Cu2+ half-cell at 25degrees C . The initial concentrations of Pb2+ and Cu2+ are 5.30×10−2 M and
  16. biology

    rana pipiens, a species of frog, has a diploid chromosome number of 26. a. how many chromosomes are present during metaphase i? per cell? b. how many chromatids are present during anaphase i ? per cell? c. how many centromeres are present during telophase
  17. Biology

    Ferrets have 40 chromosomes in each heart cell. There are ___ chromosomes in each egg. Answer: 20 If a skunk has 25 chromosomes in each gamete, then how many chromosomes are in each sperm cell? Answer: 25 Sheep have 27 chromosomes in each cell that had
  18. Biology

    1. Ferrets have 40 chromosomes in each heart cell. There are ____ chromosomes in each egg. Answer: 20 2. If a skunk has 25 chromosomes in each gamete, then how many chromosomes are in each sperm cell? Answer: 25 3. Sheep have 27 chromosomes in each cell
  19. George School

    Ag2CrO4(s) + 2e- 2Ag(s) + CrO42-(aq) A chemist wishes to determine the concentration of CrO42- electrochemically. A cell is constructed consisting of a saturated calomel electrode (SCE; which has a reduction potential of 0.242 V relative to the SHE) and a
  20. Chemistiy

    Check if im right please. a. oxidation occurs at my anode ____ ** Voltaic Cell b. You can use standard reduction potential table to calculate how much voltage it takes to operate me____ **Both voltaic cell and electrolytic cell
  21. chemistry

    A balanced equation that represents an overall cell reaction is shown. Choose the cell notation which corresponds to the electrochemical cell that is described by this equation. 2H2O(l) → 2H2(g) + O2(g) i don't get why the answer is this. How can OH-
  22. Chemistry

    Hello guys, can you please answer this question with explanation and formula because I'm absolutely lost :( What is the Cu2+ concentration at 25°C in the cell Zn(s)½Zn2+(1.0 M)½½Cu2+(aq)½Cu(s)? The cell emf is 1.03 V. The standard cell emf is 1.10 V.
  23. biology

    gimme a example of what a plant cell and an animal cell do. gimme a example of what a plant cell and an animal cell do> They reproduce. The previous answer was correct, but rather brief. Here is more information.
  24. chemistry

    1. If half cell A has a standard reduction potential of E= -1.10 V and half cell B has a standard reduction potential of E= 0.65 V, which half-cell is the anode? 2. Which half cell has the higher potential energy? 3. Calculate Ecell for this voltaic cell.
  25. Biology

    Human vision can distinguish objects down to about a 4th of a millimeter (~250 micrometers). Given this, which of the following are generally visible to the human eye? Proteins Bacterial cell Animal cell Poxvirus Ribosomes Plant cell None of the above I
  26. Chemistry

    The DNA of an E coli cell measures 1.4 mm in length, when extended and 20 angstroms in diameter. a) Calculate the volume of DNA in an E coli cell in cm^3 b) What fraction of an E coli cell is occupied by its DNA? c) A human cell is typically spherical with
  27. Biology

    What is the targeting pathway from translation until the protein reaches it's final functional destination for PFK and insulin? Choose from the following choices for each: a) golgi -> ER -> outside of cell b) ER -> golgi -> cytoplasm c)
  28. Biology!!

    Would a cell make enzymes for other cells? For example, would a cell make a lysosomal enzyme and send it to a different cell?
  29. Chemistry

    The voltaic cell described by the cell notation has a standard emf (electromotive force) of 0.94 V. Calculate the value (J) for the maximum electrical work that the cell can do under standard conditions. Round your answer to 3 significant figures. Pt(s) /
  30. Biology

    How do the kidneys clean the blood? (1 point) • Kidneys clean the blood by breaking down nutrients. • Kidneys clean the blood by filtering it to remove wastes. • Kidneys clean the blood by absorbing nutrients. • Kidneys clean the blood by
  31. bio

    In the four steps of "AEROBIC CELLULAR RESPIRATION" where do the Intermediate Step take place in a cell; Krebs Cycle - Where does it take place in a cell?; Electron Transport Chain - Where does it take place in a cell?
  32. General

    I do not know what subject to put this uh ok how do I put this into one cell into microsoft excell into one cell - .49 m when i put "-" it thinks I'm entering a formula which is not what I'm tyring to do i want negetive .49 m m being meters into one cell
  33. chemistry 2

    A voltaic cell is constructed with an Ag/Ag+ half-cell and a Pb/Pb2+ half-cell. Measurement shows that thesilver electrode is positive. -Write balanced half-reactions and the overall spontaneous reaction.
  34. Chemistry

    A solution of H2SO4 was electrolyzed using the inert platinum electrodes. A) Write the balanced half-reactions for the anode and cathode in this cell. B) How many coulombs passed through the cell in 90 minutes at 8.0 amperes? C) How many moles of electrons
  35. Biology

    "Suggest two things a large cell might do to increase its surface area:volume ratio". The obvious method would be to divide into many smaller cells...but what else can the cell do? I also thought that it could just simply grow larger, but the question
  36. Chem

    The galvanic cell described by the cell notation has a standard emf (electromotive force) of 4.05 V. Calculate the value (kJ) for the ΔG˚ of the cell. Round your answer to 3 significant figures. Mn(s) l Mn2+(aq) ll F2(g) l F-(aq) l Pt(s) St. Red.
  37. Science

    Which foods are lipids found in, and what is their function in the body? A: lipids are found in sugars and starches and are the main source of energy for the body B: lipids are found in fats and oils and are an essential component of cell membranes C:
  38. grade 12 chemisstry

    I have no idea what I'm doing here, please help. 2 half cells in a galvanic cell consist of one iron Fe(s) electorde in a solution of iron (II) sulphate FeSO4(aq)and a silver Ag(s) electrode in a silver nitrate solution, a)state the oxidation half
  39. chemistry

    1)The element nickel has ccp packing with a face-centered cubic unit cell. The density of nickel is 8900 kg/m3 and the cell volume is 4.376 x 10-23 cm3. Calculate the value of Avogadro's number to three significant figures based on these data. (Note: the
  40. Chemistry/- Dr.Bob222

    A voltaic cell consists of a Zn/Zn2+ half-cell and a Ni/Ni2+ half-cell at 25 C. The initial concentrations of Ni2+ and Zn2+ are 1.50 M and 0.10 M, respectively. a. What is the initial cell potential? My answer: 0.56 B b. What is the cell potential when the
  41. Science* Please Help Me !

    How would cell division help heal a broken bone? Why do cuts and disappear when in the process of cell division? What is the main purpose for cell division?
  42. Science

    For lunch, Jane Doe consumed the following: a turkey sandwich on whole wheat bread with mayonnaise, lettuce, and tomato; potato chips; and apple juice. 1.Trace the path of digestion through Jane from beginning to end. Include the nutrients the food
  43. Biology!!

    If i do a starch test on a plant cell that comes from a plant exposed to sunlight, which parts of the plant cell will be stained blueblack? 1. nucleus 2. cell wall 3. cytoplasm 4. vacuole I wrote the answer as 4, the vacuole, but the correct answer says 3,
  44. Chemistry

    Calculate the standard cell potential for each of the electrochemical cells? What would the answers be to something like this? If someone could work out the answer I would really appreciate it. My online hw keeps telling me its wrong.
  45. Chemistry

    Calculate the standard cell potential for each of the electrochemical cells? What would the answers be to something like this? If someone could work out the answer I would really appreciate it. My online hw keeps telling me its wrong.
  46. Science

    Which foods are lipids found in, and what is their function in the body? A: lipids are found in sugars and starches and are the main source of energy for the body B: lipids are found in fats and oils and are an essential component of cell membranes C:
  47. 7th grade science help Ms. Sue please!

    1. Most of the life of any cell is spent in a period of growth called _____. (1 point) interphase prophase telophase anaphase 2. Which of these is the part of the cell that contains hereditary material? (1 point) chromosome interphase mitosis embryo 3. The
  48. Chemistry/Electrochem

    A concentration cell is built based on the following half reaction: Zn(2+) + 2e(-) > Zn E(o)=-0.761 Using two pieces of zinc of electrodes (each 100.0 g), two Zn(2+) solutions, 0.101M and 0.427M (both exactly 1.00 L in volume), and all the other
  49. Chemistry!

    A Galvanic cell runs on the following reaction: Co (s) + Cu2+ (aq) → Co2+ (aq) + Cu (s) Draw a diagram for this Galvanic cell, labeling the electron flow, the anode and cathode, and the positive and negative sides of the Galvanic cell.
  50. Chemistry

    A galvanic cell is constructed with a silver-silver chloride electrode, and a nickel strip immersed in a beaker containing 7.44 x 10-2 M solution of NiCl2. Determine the balanced cell reaction and calculate the potential of the cell. Enter in volts.
  51. college chemistry

    A galvanic cell is constructed with a silver-silver chloride electrode, and a nickel strip immersed in a beaker containing 4.97 x 10-2 M solution of NiCl2. Determine the balanced cell reaction and calculate the potential of the cell. in volts, assume a
  52. Chemistry - Cell Potential

    If the cell emf of a Zn-Cu cell is 0.80 V when the concentration of Zn2+ is 2.0M, what is the concentration of Cu2+?
  53. Chemistry - Cell Potential

    If the cell emf of a Zn-Cu cell is 0.80 V when the concentration of Zn2+ is 2.0M, what is the concentration of Cu2+?
  54. chemistry

    Calculate the standard cell potential for each of the electrochemical cells? 2Ag+(aq)+Pb(s)→2Ag(s)+Pb2+(aq) E∘cell......V? 2ClO2(g)+2I−(aq)→2ClO−2(aq)+I2(s) E∘cell......V? O2(g)+4H+(aq)+2Zn(s)→2H2O(l)+2Zn2+(aq)
  55. Calculus II

    Suppose a cell of volume V cc is surrounded by a homogeneous chemical solution of concentration C g/cc. Let y denote the concentration of the solute inside the cell at any time t and suppose that, initially, the concentration is y0. Fick's law, named after
  56. Chemistry DR BOB

    Under standard conditions of 1 atm and 298.15K, the half-cell reduction potential E,zero for the anode in a voltaic cell is 0.37V. The half-cell reduction potential E,zero for the cathode of the cell is 0.67V. The number of moles, n, of electrons
  57. Science

    Plant Cell Analogy Cell Membrane: Security Nucleus: Boss Mitochondira: Food court Cytoplasm: Chromosomes: Vacuole: Water Ribosomes: Food Cell wall: Endoplasmic Reticulum: Chloroplasts: Golgi Appartuas: Packer What could the others be?
  58. Science

    Plant Cell Analogy Cell Membrane: Security Nucleus: Boss Mitochondria: Food court Cytoplasm: Chromosomes: Vacuole: Water Ribosomes: Food Cell wall: Endoplasmic Reticulum: Chloroplasts: Golgi Appartuas: Packer What could the others be?
  59. Maths Algebra

    The size of a red blood cell is 0.000007 m and that of a plant cell is 0.00001275 m.Show that a red blood cell is half of plant cell in size
  60. Science

    Pneumonia is a disease that causes fluid to build up in the alveoli of the lungs. Which of the following would you expect to be impaired in patients with pneumonia? A. movement of carbon dioxide out of body cells. B. movement of carbon dioxide out of the
  61. Chemistry

    Using the half reaction potentials calculate the E^o cell for the Ni-Al cell. Ni (aq) + 2e- <-> Ni (s) -0.25v Al3+ (aq) + 3e- <-> Al (s) -1.66v Using that answer determine Ecell for Ni-Al cell when the concentration of Al3+ is 4.00M and the
  62. General Chem

    The concentration of potassium ions inside a nerve cell is around 20 to 30 times that outside the cell. Calculate the potential difference between inside and outside a nerve cell, if it depends only on this ionic imbalance.
  63. Biology

    In females the first meiotic cell division produces______cells. One of the cell is _____ than the other and is called the ______. The Polar body stays attached to the _______. The larger cell is called the _______amd ot ,atires omtp tje _______. The second
  64. college chem

    A student constructs a galvanic cell that has a strip of iron metal immersed in a solution of 0.1M Fe(NO3)2 as one half-cell and a strip of zinc metal immersed in a solution of 0.1M Zn(NO3)2 as the other half-cell. The measured cell potential is less than
  65. 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
  66. science

    which of the following is not part of cell theory? A. cells are the building blocks of life B. all living things are made up of cells C. all cells are created from other cells though cell division<------------ D. The nucleus is the control center of the
  67. Chemistry

    Write the equations describing the electrode reactions and the net cell reaction for this electrochemical cell containing tin and silver: Sn(s)|Sn2 (aq)||Ag (aq)|Ag(s) what is the equation for cathode, anode, and net cell reaction
  68. Science

    Which of the following is not part of the cell theory? A.Cells are the building blocks of life. B.All living things are made up of cells. C.All cells are created from other cells through cell division. D.The nucleus is the control center of the cell.***
  69. Chemistry

    Write the equations describing the electrode reactions and the net cell reaction for this electrochemical cell containing tin and silver: Sn(s)|Sn2 (aq)||Ag (aq)|Ag(s) what is the equation for cathode, anode, and net cell reaction
  70. Chemistry

    A student constructs a galvanic cell that has a strip of lead metal immersed in a solution of 0.1M Pb(NO3)2 as one half-cell and a strip of zinc metal immersed in a solution of 0.1M Zn(NO3)2 as the other half-cell. The measured cell potential is less than
  71. Chemistry

    A voltaic cell utilizes the following reaction and operates at 298K 3Ce{4+}(aq)+Cr(s)--->3Ce{3+}(aq)+Cr{3+}(aq) {}=Charge What is the EMF of this cell under standard conditions? What is emf of cell when [Ce{4+}]=2.1M, [Ce{3+}]=.13M, and
  72. Chemistry

    A voltaic cell utilizes the following reaction and operates at 298K 3Ce{4+}(aq)+Cr(s)--->3Ce{3+}(aq)+Cr{3+}(aq) {}=Charge What is the EMF of this cell under standard conditions? What is emf of cell when [Ce{4+}]=2.1M, [Ce{3+}]=.13M, and
  73. Physics

    When a nerve cell depolarizes, charge is transferred across the cell membrane, changing the potential difference. For a typical nerve cell, 9.0 pC of charge flows in a time of 0.50ms. What is the average current(Value and units)?
  74. Science

    Which of the following is not part of the cell theory? Cells are the building blocks of life. All living things are made up of cells. All cells are created from other cells through cell division. (MY ANSWER) The nucleus is the control center of the cell.
  75. Chemistry

    Pt(s)| Fe^3+ (aq, .1M), Fe^2+ (aq, 1M)|| Fe^3+ (aq, ?M), Fe^2+ (aq, .001M)| Pt(s) A.) Write anode reaction B.) Write cathode reaction D.) If E= .14V for this cell, calculate conc. of Fe^3+ on the right half of the cell E.) What is the max amount of work
  76. nucleus true facts

    is the nucleus always found in the center of the cell? I know the nucleolus is located inside the center of the nucleus but is the nucleus alwasy found in the center of the cell? Short answere is no. The cell nucleus does not have to be in the exact center
  77. Chemistry

    A voltaic cell utilizes the following reaction: 2Fe3+(aq)+H2(g)→2Fe2+(aq)+2H+(aq). What is the emf for this cell when [Fe3+]= 3.70M , PH2= 0.95atm , [Fe2+]= 7.0×10−4M , and the pH in both compartments is 4.05? Express your answer using two
  78. Biology

    1. Creates energy in the form of ATP 2. The gel-like liquid that fills the cell 3. Sorts, packages, and sends out proteins 4. Helps the chromosomes divide faster in animal cells only 5. Creates food energy from sunlight energy 6. Responsible for digestion
  79. Chemistry (Electrochemistry)

    The standard potential for the following galvanic cell is 1.72V : Be(s)|Be2+(aq)||Pb2+(aq)|Pb(s) The standard reduction potential for the Pb2+/Pb half-cell: E = -.13V Calculate the standard reduction potential for the Be2+/Be half-cell. What I know: Be is
  80. material science

    Derive an expression for the relative density, ρ∗/ρs, of an anisotropic honeycomb with hexagonal cells:n which the vertical cell walls are of length h, the inclined cell walls are of length l, the angle between the horizontal and the inclined members
  81. Chem Check Please!!!

    A voltaic cell is constructed that uses the following reaction and operates at 298 K: 2 Al(s) + 3 Mn2+(aq) 2 Al3+(aq) + 3 Mn(s). What is the potential, E, of this cell when [Mn2+] = 0.10 M and [Al3+] = 1.5 M? Answer: The EMF of this cell under standard
  82. Chemistry

    A galvanic cell is composed of these two half-cells, with the standard reduction potentials shown: Cu2+(aq) + 2 e- ---->Cu(s) +0.34volt Cd2+(aq) + 2 e- ---->Cd(s) -0.40volt What is the standard free energy change for the cell reaction of this
  83. chemistry

    The fuel cell of h2 + o2 --> 2h2o has a cell potential of 1.23 V... If The equation for Ecell = Cathode - Anode, why wouldn't the cell be -.43 because anode = oxidation and cathode = reduction, right?
  84. Batteries

    3 Sn^2+ (aq) + 2 Al (s) <--> 2 Al3+(aq) + 3 Sn(s). What is the voltage for this cell? What is the voltage for the cell if the Sn2+(aq) is [.15] and Al3+(aq) is [1.80]? Using proper line notation, describe the cell described in the
  85. chemistry

    The fuel cell of h2 + o2 --> 2h2o has a cell potential of 1.23 V... If The equation for Ecell = Cathode - Anode, why wouldn't the cell be -.43 because anode = oxidation and cathode = reduction, right?
  86. Chemistry

    A chemist wishes to determine the concentration of CrO4-2 ions electrochemically. A cell is constructed consisting of saturated calomel electrode (SCE) and a silver wire coated with Ag2CrO4. The SCE is composed of mercury in contact with a saturated
  87. Science

    What is true of all body cells except sex cells? A) Each cell type carries chromosomes and genes that identify it as that specific type of cell. For example, skin cells have different chromosomes and genes than muscle cells. B) Each body cell contains the
  88. chemistry

    The electrochemical cell described by the cell notation has a standard emf (electromotive force) of -0.68 V. Calculate the value (kJ) for the standard free energy change of the cell. Round your answer to 3 significant figures. Pt(s) l MnO2(s) l MnO4-(aq),
  89. Bio

    In order to maintain homeostasis, human cells must have a higher concentration of sodium ions outside the cell than inside the cell. In addition, the concentration of potassium ions must be higher inside the cell than outside the cell. Which of the
  90. Biology

    In mitosis, if a cell has 4 chromosomes in prophase, how many chromosomes will this cell have in metaphase? a. 64 b. 32 c. 16 d. 8 e. 4 If a cell has 20 chromosomes in G1, how many chromatids will be present during prophase? a. 30 b. 20 c. 5 d. 40 Which of
  91. English Expression

    Have you got your health checked? We have to go the hospital to get your medical certificate. After the 5th period, let's go out. He doesn't seem to have classes after 5th period(class). As I don't have classes as well, we can go out to do several things.
  92. Chemistry

    Explain with reference to the Nernst equation, how is it possible for a cell to have a positive cell potential understandard conditions but the negative cell potential under other conditions.
  93. chemistry (electrochemistry)

    1) For the following electrochemical cell Cu(s)|Cu2 (aq, 0.0155 M)||Ag (aq, 1.50 M)|Ag(s) write the net cell equation. Calculate the following values using standard potentials as needed. Eo cell and dGo for each
  94. Computer Science

    w w w (dot)cs(dot)umass(dot)edu(slash)~verts(slash)coins105(slash)quizzes(slash)images(slash)hw10(dot)gif Using the constants in cells A2:A9, create formulae for cells A12:A15 (surrounded by a dark line) to compute the corresponding "derived" physical
  95. Biology

    Which of the following cells check for during the G2 check point? a. Growth hormone c. DNA integrity b. Nutritional status d. Cell size In mitosis, if a cell has 4 chromosomes in prophase, how many chromosomes will this cell have in metaphase? a. 64 b. 32
  96. biology

    What chemical fuel powers all cell activities? Since this is not my area of expertise, I searched Google under the key words "cell metabolism chemical" to get these possible sources: http://www.answers.com/topic/cell-metabolism I hope this helps. Thanks
  97. Health

    1.)It is important to choose simple carbohydrates for breakfast to get you started for your day. A.)True or B.)False My answer: A 2.)Each meal must include a food from each food group in MyPlate. A.)True or B.)False 3.)When choosing a snack it it important
  98. Biology

    What happens when a substance dissolves in the watery solution outside of a cell and equilibrium is disrupted. a. Water from the cell will move into the solution b. water from the solution will move into the cell c. the pores in the cell membrane will
  99. Chemistry

    Crystal of Sodium form Cubic unit cell with edge length 430pm.Find the no.of atoms present per unit cell and also the type of unit cell. P.S. No radius or density is given so its a lil bit tough dan the rest... Plz Help ASAP !!
  100. Science 4th grade

    1. The cell------------ surrounds the cell parts. 2. The process of cell division is called --------------. 3. -------------are structures that release energy food. 4. --------------- are structures that stores food, water or wastes. ANSWERS. 1.wall

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