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October 25, 2014

Posts by selly


Total # Posts: 42

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) If...
April 7, 2013

biology
Yes
April 7, 2013

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) ...
April 7, 2013

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 ...
April 7, 2013

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 individual with a genotype ...
April 7, 2013

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 of tryptophan ...
April 7, 2013

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 the environment. ...
April 7, 2013

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 surface of the ...
March 14, 2013

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, indicate if it would be ...
March 13, 2013

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 the leaves and seeds ...
March 13, 2013

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 As...
March 13, 2013

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−&#...
March 12, 2013

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 released from some cells ...
March 12, 2013

Chemistry
Yes! I foun the correct answer. It's 7.157e15
January 12, 2013

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.
January 12, 2013

Chemistry
B?
January 11, 2013

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 at 10 atm is 6.97 x...
January 11, 2013

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.
January 11, 2013

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% ...
January 11, 2013

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.
January 11, 2013

Chemistry
B?
December 15, 2012

Chemistry
d) 0.41
December 13, 2012

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 the basis of the ...
November 24, 2012

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 wavelength λ=3....
November 22, 2012

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.
November 22, 2012

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
November 22, 2012

Chemistry
The (b)?
November 22, 2012

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).
November 22, 2012

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.
November 22, 2012

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.
November 19, 2012

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.
November 19, 2012

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?
November 19, 2012

Chemistry
Name the majority charge carrier in the doped material. Holes Electrons Electron-hole pairs The dopant ion
November 19, 2012

Chemistry
Select all suitable dopant atoms from the following list: P B Mg Ga As In Sb Al Tl H
November 19, 2012

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.
November 19, 2012

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 carriers/cm3) in this Ge ...
November 19, 2012

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 e)Electronegativity f)...
November 18, 2012

chemistry
Can someone post the right equation please?
November 18, 2012

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 radiation capable of...
November 18, 2012

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???
November 18, 2012

chemistry
Which of the following diatomic molecules are isoelectronic to BN? Check all that apply. a)NO b)BeN c)C2 d)BeC
November 18, 2012

calculus
this question is a multiple choice question, however i dont know how to start or finish it. The solution set of |3x+2|<1 contains... i need help trying to figure out how to solve for x. other then that i believe i could answer the question.
February 25, 2010

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