Answers edited by Maxwell

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• Why does transcription of the trp operon take place when tryptophan is not present?
  
• How do you find the slope of the line passing through the points (1,6) and (10, -9)?
  
• A standing wave vibrates at its fourth harmonic. How many nodes will be in the wave pattern?
  
• How do you draw this cyclic pentane? 4-ethyl-2-isopropyl-1-methylcyclopentane
  
• Question #bf1d7
  
• Find the molecular and empirical formula from the given information below?
  
• The number of bacteria in a culture grew from 275 to 1135 in three hours. How do you find the number of bacteria after 7 hours?
  
• The probability of two carrier parents having a child with sickle cell anemia is? a)0.25 b)0.50 c)0.75 d)1.0
  
• How do you calculate #(1.025times10^4) + (9.814times10^5)#?
  
• Question #d8042
  
• Question #72423
  
• How much work does it take to raise a #23 kg # weight #11 m #?
  
• Why are glucose and galactose considered enantiomers?
  
• Question #0ef3c
  
• Why are proteins not filtered out of the blood in the glomerulus?
  
• Calculate the molality of a solution made by dissolving a compound in camphor if the freezing point of the solution is 162.33 degrees C: the melting point of pure camphor was measured to be 178.43 degrees C. K sub f for camphor is 37.7 degrees C/m sub c?
  
• Question #6121d
  
• Question #b3b2a
  
• Where do restriction enzymes come from?
  
• Miguel is a 25-year-old jogger with a target heart rate of 125 bpm. His resting pulse is 70 bpm. His blood volume is approximately 6.8 litres. At rest, his cardiac output is 6.3 litres/minute and his EDV is 150 ml. What is his stroke volume at rest?
  
• Question #3b874
  
• Are D- and L-carbohydrates enantiomers?
  
• Question #f47c9
  
• What is the collective term for cellular components of blood?
  
• Question #9dcb3
  
• Question #ead92
  
• Does vitamin K serves as a(n) inhibitor, coenzyme, antagonist or carrier to various enzymes involved in the coagulation of blood?
  
• Question #5b6e0
  
• How do you draw the electron configuration diagram for hydrogen?
  
• Which materials are filtered out of the blood in the Bowman's capsule?
  
• Question #143e8
  
• Question #cb891
  
• If a #3 kg# object moving at #9 m/s# slows down to a halt after moving #27 m#, what is the coefficient of kinetic friction of the surface that the object was moving over?
  
• Question #ca771
  
• Question #a903c
  
• How do you convert 0.800 atm of pressure to its equivalent in millimeters of mercury?
  
• Question #bc6af
  
• Question #28ec0
  
• Explain why lactose shows mutarotation but sucrose does not?
  
• How do you find #lim (t^3-6t^2+4)/(2t^4+t^3-5)# as #t->oo#?
  
• A 600W mercury lamp emits monochromatic radiation of wavelength 331.3 nm. How many photons are emitted from the lamp per second?
  
• The intensity level of sound in a truck is 92 dB. What is the intensity of this sound?
  
• Question #f33b1
  
• Question #ed77e
  
• The atria are separated from the ventricle by what type of valve?
  
• Two parallel plates are charged up such that the electric field between them is 7.93 x 10^-1N/C. A particle with a charge of 1.67 x 10^-4C is placed between the plates. How much force is acting on this particle?
  
• Question #0c72e
  
• If a homozygous dominant genotype is 46% what is the dominant allele frequency?
  
• How much heat is required to vaporize 80.6 g of water at 100 C? The heat of vaporization of water at 100 C is 40.7 kJ/mole.?
  
• Glucose is taken in a test tube in the form of solution. Next, a vial of insulin is added to the contents of test tube. After about a couple of hour, a suitable test could detect no change in the amount of glucose in test tube. How is this possible?
  
• How do you calculate the mass of HCI required to prepare 2.5 liters of a 0.08 molar solution of HCI?
  
• Question #216ab
  
• What volume is occupied by 0.35 mol of helium gas at SATP?
  
• How are a mole and a dozen similar?
  
• Question #9cb3f
  
• Question #f8954
  
• The best leaper in the animal kingdom is the puma, which can jump to a height of 3.7 m when leaving the ground at an angle of 45°. With what speed must the animal leave the ground to reach that height?
  
• Question #e243c
  
• Question #d4f50
  
• Question #03723
  
• Electrochemistry question? (Voltaic Cell)
  
• A chemistry book lists the rate constant for a reaction as 34.5 #(1)/(M*s)#. What is the overall order of the reaction?
  
• What is the net ionic equation for the double replacement reaction between sodium sulfate and barium nitrate?
  
• Question #38469
  
• What is the pH of a solution prepared by mixing 50.0 mL of 0.30 M #HF# with 50.00 mL of 0.030 M #NaF#?
  
• What is the SI unit of work is the newton?
  
• Explain how it is possible for a ball to have kinetic and potential energy at the time?
  
• Question #9ebcd
  
• Question #156ba
  
• An initial population of 505 quail increases at an annual rate of 23%. How do you write an exponential function to model the quail population?
  
• Question #d6d72
  
• Question #d486e
  
• Question #70b52
  
• A point charge of #3.00×10^-6 C# is #12.0cm# distant from a second point charge of #−1.50×10^-6 C#. Calculate the magnitude of the force on each charge?
  
• Question #d3ad2
  
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