Selly

Most popular questions and responses by Selly
  1. biology

    (d) Is this pedigree consistent with sex-linked dominant inheritance? Yes No If you chose "yes", answer questions (i) and (ii) and leave parts (iii) and (iv) blank. If you chose "no", leave parts (i) and (ii) blank and answer questions (iii) and (iv). i)

    asked on April 7, 2013
  2. biology

    (b) Is this pedigree consistent with autosomal dominant inheritance? Yes No If you chose "yes", answer questions (i) and (ii) and leave parts (iii) and (iv) blank. If you chose "no", leave parts (i) and (ii) blank and answer questions (iii) and (iv). i) If

    asked on April 7, 2013
  3. biology

    Consider the pedigree below. This pedigree represents a family with a rare genetic disease. Note two very important assumptions: Individuals who marry into the family may carry a disease allele. The disease is completelely penetrant. That is, any

    asked on April 7, 2013
  4. Chemistry

    CdO is cubic with a lattice constant a=4.695 A˚ and a density ρ of 8.15 g/cm3. Determine the crystal structure of CdO. Simple Cubic Face Centered Cubic Body Centered Cubic

    asked on November 22, 2012
  5. Chemistry

    An x-ray generator operated at a plate voltage of 7000 V is incapable of producing Ni Kα radiation. Calculate the minimum energy required for a ballistic electron to produce Ni Kα radiation. Express your answer in units of eV.

    asked on November 22, 2012
  6. Chemistry

    Determine the amount (in grams) of boron that when substitutionally incorporated into 1 kg of silicon will establish a charge carrier density of 3.091×1017 carriers/cm3.

    asked on November 19, 2012
  7. biology

    In this problem, 6 amino acids have been randomly selected from the 129 amino acids in lysozyme; they are shown as solid spheres. The remainder of the protein is shown as a cloud of tiny dots. Your task is to find out which of the 6 amino acids are on the

    asked on March 14, 2013
  8. 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 on March 13, 2013
  9. calculus

    this question is a multiple choice question, however i don't know how to start or finish it. The solution set of |3x+2|

    asked on February 25, 2010
  10. biology

    (c) Is this pedigree consistent with sex-linked recessive inheritance? Yes No If you chose "yes", answer questions (i) and (ii) and leave parts (iii) and (iv) blank. If you chose "no", leave parts (i) and (ii) blank and answer questions (iii) and (iv). i)

    asked on April 7, 2013
  11. biology

    Which of the following bond types is Fexofenadine capable of forming with a suitable partner molecule? Indicate your answer by checking "Yes" or "No" as appropriate. Bond type Can Fexofenadine form this bond? Hydrogen Bond Ionic Bond van der Waals forces

    asked on March 13, 2013
  12. biology

    Given the part of the molecule shown below, can the underlined atom participate in a hydrogen bond with an approriate bonding partner? −O−−−H −C−H−− −N−−−H −O−H−− −C−−−H −N−H−−

    asked on March 12, 2013
  13. Chemistry

    Your x-ray lab has a monochromator consisting of a single crystal of nickel cut so that the (001) plane lies in the cube face. At what angle (in degrees) should the cube face be tilted with respect to the incident beam in order to select radiation with a

    asked on November 22, 2012
  14. Chemistry

    1)The conduction band is at a higher energy than the valence band. True or false? 2)No electronic states lie between the conduction and valence bands in n-type silicon. True or false?

    asked on November 19, 2012
  15. biology

    Allegra is a blockbuster allergy medication that generated over $1.8 billion in global sales in 2004. Allegra, or Fexofenadine, decreases allergy symptoms by inhibiting the action of histamines. Histamines are naturally occurring molecules that are

    asked on March 12, 2013
  16. Chemistry

    A pressure vessel contains a large volume of CO2 gas at 10 atm pressure. A membrane composed of a poly(ether ketone) polymer with thickness 100 microns and net effective area of 100 cm2 covers a small perforated port in the container. The solubility of CO2

    asked on January 11, 2013
  17. Chemistry

    crystal structure of cesium chloride (CsCl). 1)Identify the crystal system: Cubic Tetragonal Orthorhombic Rhombohedral Hexagonal Monoclinic Triclinic 2)Identify the Bravais lattice: Simple cubic Body Centered Cubic Face Centered Cubic Hexagonal 3)Identify

    asked on November 24, 2012
  18. chemistry

    Gallium nitride (GaN) is a semiconductor with a bandgap Eg=3.2 eV. Calculate the absorption edge of GaN. Express your answer in units of m.

    asked on November 19, 2012
  19. Chemistry

    Select all suitable dopant atoms from the following list: P B Mg Ga As In Sb Al Tl H

    asked on November 19, 2012
  20. biochemical genetics

    You have discovered a new species of yeast and you would like to determine the pathway that this organism uses to synthesize the amino acid tryptophan. This yeast species can take up tryptophan, or synthesize it on its own if tryptophan is not present in

    asked on April 7, 2013
  21. Chemistry

    A photon interacts with a ground state electron in a hydrogen atom and is absorbed. The electron is ejected from the atom and exhibits a de Broglie wavelength of 3.188×10−10 m. Determine the frequency (in hz) of the interacting photon.

    asked on January 12, 2013
  22. Chemistry

    Calculate the surface energy of the (100) surface of niobium. The enthalpy of atomization of niobium is 745 kJ/mole. Express your answer in units of J/cm2.

    asked on January 11, 2013
  23. Chemistry

    The rate constants for a first order decay reaction are found to be: k287.3∘C=1 x 10−4 s−1 k327.4∘C=19.2 x 10−4 s−1 (a) Determine the value, in s-1 of k250∘C (b) How long will it take, at 350 ∘C, for the reactant to decay to 1% of its

    asked on January 11, 2013
  24. Chemistry

    Calculate the maximum wavelength of electromagnetic radiation capable of breaking the C-N bond in lysine. DATA: Average Bond Energies (kJ/mol) N-N 160 C-C 350 Express your answer in meters.

    asked on January 11, 2013
  25. Chemistry

    a)Calculate the lattice constant a in palladium (Pd).express your answer in angstroms. b) Calculate the distance (in angstroms) between adjacent (110) planes in palladium (Pd). Hint: use your work from part (a).

    asked on November 22, 2012
  26. chemistry

    Calculate the density of atoms along [011] in molybdenum (Mo). Use only the information provided in your class Periodic Table, and express your answer in units of atoms/cm.

    asked on November 22, 2012
  27. Chemistry

    1)Identify which concepts/topics you believe that you will need to apply to solve the problem below. Select all that apply. a)Covalent Bond Energy b)Ionic Bond Energy c)Single-electron Atom Ionization Energy d)Multi-electron Atom Ionization Energy

    asked on November 18, 2012
  28. chemistry

    Sulfur vapor is analyzed by photoelectron spectroscopy (PES). Measurements determine that photoelectrons associated with the 1st ionization energy of sulfur move with de Broglie wavelength λ=2.091 A˚. What is the maximum wavelength (in meters) of

    asked on November 18, 2012
  29. chemistry

    Which of the following diatomic molecules are isoelectronic to BN? Check all that apply. a)NO b)BeN c)C2 d)BeC

    asked on November 18, 2012
  30. biochemical genetics

    After several rounds of experiments like those described above, you find that you have identified five different genes involved in the biosynthesis of tryptophan in this organism. You name them Gene 1 through Gene 5. Based on your knowledge of the pathway

    asked on April 7, 2013
  31. biology

    Caffeine is the most widely used stimulant in the world today. This naturally produced molecule is found in popular beverages from coffee to black tea to Coca Cola. Although humans use caffeine to ward off drowsiness, the caffeine produced by plants makes

    asked on March 13, 2013
  32. chemistry

    Gallium nitride (GaN) is a semiconductor with a bandgap Eg=3.2 eV. Calculate the absorption edge of GaN. Express your answer in units of m.

    asked on November 19, 2012
  33. Chemistry

    Name the majority charge carrier in the doped material. Holes Electrons Electron-hole pairs The dopant ion

    asked on November 19, 2012
  34. Chemistry

    Chemical analysis of a germanium crystal reveals indium at a level of 0.0003091 atomic percent. Assuming that the concentration of thermally excited charge carriers from the Ge matrix is negligible, what is the density of free charge carriers (free

    asked on November 19, 2012
  1. biology

    Yes

    posted on April 7, 2013
  2. Chemistry

    B?

    posted on January 13, 2013
  3. Chemistry

    Yes! I foun the correct answer. It's 7.157e15

    posted on January 12, 2013
  4. Chemistry

    B?

    posted on December 16, 2012
  5. Chemistry

    d) 0.41

    posted on December 13, 2012
  6. Chemistry

    The (b)?

    posted on November 23, 2012
  7. chemistry

    Can someone post the right equation please?

    posted on November 18, 2012
  8. chemistry

    no ... I posted the question and I hope someone answer me?... can you tell me the answers to question d (of the third problem),and the problems 7;8(b,c,d) and 9 PLEASE???

    posted on November 18, 2012