Questions Asked on
December 21, 2008

  1. bio

    I did a DNA fingerprinting lab and I can't understand some of the questions. 1) Different restriction enzymes are isolated from different types of bacteria. What advantage do you think bacteria gain by having restriction enzymes? 2)In your lab, you ran

    asked by bill
  2. physics

    A 4.74 kg spherical ball with radius 1.4 cm rolls on a track with a loop of radius 39 cm that sits on a table 1.2 meters above the ground. The last 1 meter section of the track is horzontal and is not connected to the rest of the track. 0.33 meters of this

    asked by jeff
  3. Physics

    Two balls are connected by a string that stretches over a massless, frictionless pulley. Ball 1 has a mass of 0.45 kg and is held 0.74 m above the ground. Ball 2 has a mass of 5.7 kg and is held 0.88 m above the ground. When the balls are released, ball 2

    asked by jason
  4. physics

    A 4.74 kg spherical ball with radius 1.4 cm rolls on a track with a loop of radius 39 cm that sits on a table 1.2 meters above the ground. The last 1 meter section of the track is horzontal and is not connected to the rest of the track. 0.33 meters of this

    asked by jeff
  5. FINANCE

    Suppose a Midwest Telephone and Telegraph (MTT) Company bond, maturing in 1 year, can be purchased today for $975. Assuming that the bond is held until maturity, the investor will receive $1,000 (principal) plus 6 percent interest (that is, 0.06 3 $1,000 5

    asked by JUAN
  6. English

    1. The bridge is made of stone. 1-2. The bridge is made out of stone. 1-3. The bridge is made from stone. (Which one is correct?) 2. Wine is made from grapes. (Can't we use 'of' instead of 'from'?) 3. Grapes are made into wine. (Is #3 the same as #2?) 4.

    asked by John
  7. AED

    Who is most likely to be a part of this socioeconomic class? How do teacher expectations positively or negatively impact this socioeconomic class? How does tracking positively or negatively impact this socioeconomic class? How is financial support for

    asked by troyer0269
  8. math

    The diameter of a sphere is 2 1/4mm. Find the radius.

    asked by BLUE
  9. physics

    A 9.3 kg firework is launched straight up and at its maximum height 45 m it explodes into three parts. Part A (0.5 kg) moves straight down and lands 0.29 seconds after the explosion. Part B (1 kg) moves horizontally to the right and lands 10 meters from

    asked by seth
  10. physics

    A 1 kg object starts 3 meters from the ground on a 24 degree incline with a friction coefficient of 0.12. When it hits the ground, it collides and sticks to a 8 kg object. The coefficient friction on the horizontal surface is 0.24 How far do the objects

    asked by matt
  11. English

    I need help writing a report on legalizing Same Sex Marriage I am for it and want them to legalizes it. I need to write a two page report on it by morning.

    asked by 1234
  12. IV calculations-medical math

    Heparin is to infuse at 9ml/hr. the IV solution is 25,000units heparin in 250cc D5w. what is the hourly dosage? what is the drip rate?

    asked by joyce
  13. Calculus

    2y^3 - 3xy = 4 1) Find dy/dx 2) Write an equation for the line tangent to the curve at (1,2) 3) Find d^2y/dx^2 at (1,2)

    asked by Derick
  14. economics

    What is the rule of 30 and who came up with it? I can't find the answer to this question and was wondering if anyone knew what is was.

    asked by matt
  15. physics

    A 1 kg object starts 3 meters from the ground on a 24 degree incline with a friction coefficient of 0.12. When it hits the ground, it collides and sticks to a 8 kg object. The coefficient friction on the horizontal surface is 0.24 How far do the objects

    asked by matt
  16. english

    ha!:) Have one question Which reading learning strategies is it when the task says: Read the text and complete each text with the words above each text Is it a learning strategie:using linguistic or other clues or placing new words into context or

    asked by lily
  17. religious education

    i need to make a poster for re for tourists in Jesus` time. i have looked on the sites Sra kindly found for dyna but im still stuck. all i can think of is to put come and see the miracle man - Jesus and draw Jesus . do you think that would be ok? thanks to

    asked by billie
  18. Math

    One kilometer is equal to 1,000 meters. What fractional part of a kilometer is 700 meters? Simplify your result? A college bookstore ordered 425 copies of a textbook at a cost of $22,525. What was the cost to the store for an individual textbook?

    asked by fay1985
  19. english

    Can someone explain thoroughly what EFL learners get from the task where they have ti put new words into context?Can someone explain this stategy?And also another strategie - using linguistic clues

    asked by lily
  20. english

    are there any books I can read online about bank robberies or hostage situations for free

    asked by fred
  21. Social Studies

    What are the major geographical features of the united states

    asked by Angel
  22. Science-please help

    What could you say if a rock had large crystals? Explain. What could you say if a rock layer had a folding? Explain.

    asked by Kate
  23. MATH

    USE THE FORMULA: A=P+I.P, WHERE A IS THE VALUE OF THE INVESTMENT IN ONE YEAR, P IS THE ORIGINAL INVESTMENT, AND I IS THE INTEREST RATE FOR THE INVESTMENT. FIND THE INTEREST RATE FOR AN ORIGINAL INVESTMENT OF $3,000 WHICH HAD A VALUE OF $3,450 AFTER ONE

    asked by BLUE
  24. MATH

    Find the circumstance of a circle with a diameter of 28 in. Use pi < 22/7.

    asked by krk
  25. math

    Find the volume of a spherical water tank that is 18 feet in diameter. Use 3.14 for pi. Round to the nearest hundredth.

    asked by BLUE
  26. Religions of the World.

    Explain how Jesus and Mohammads' messages are being carried out today. Can anybody elaborate?

    asked by A.W.
  27. Psychology

    Could someone help to explain this question to me or help me to find sites to answer the question. I don't really understand the question in general. Discuss the physiological myths about hunger and satiety and those physiological factors that do

    asked by Tim
  28. economics

    what are the tyoes of bussiness intergrtion

    asked by steve
  29. Medical

    If HIPAA rules are stricter than state law, which standard should you follow and why? What if the state law was stricter?

    asked by Pat
  30. english

    Is 'assistant-teaching' connected by a hyphen or should it be two separate words? Thanks!

    asked by Leah
  31. Religion of the World

    Describe the ways Jesus and Mohammed was/is worshipped?

    asked by A.W.
  32. english

    what names signify the meaning betrayal

    asked by phil
  33. science

    how small are air molecules?

    asked by morgan
  34. english

    what are some short stories or books about hostage situations

    asked by bill