# Questions Asked onDecember 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

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

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

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

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

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.

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

8. ## math

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

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

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

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.

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?

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)

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.

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

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

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

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?

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

21. ## Social Studies

What are the major geographical features of the united states

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

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

24. ## MATH

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

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.

26. ## Religions of the World.

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

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

28. ## economics

what are the tyoes of bussiness intergrtion

29. ## Medical

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

30. ## english

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

31. ## Religion of the World

Describe the ways Jesus and Mohammed was/is worshipped?

32. ## english

what names signify the meaning betrayal