Tuesday

July 29, 2014

July 29, 2014

Total # Posts: 615

**Physical Science**

How much work is needed to raise a 110-kg load of bricks 12 m above the ground to being under construction? work in joules= weight*height where weight is mass*9.8m/s^2

**Math**

i see were u got that from but this 1 is confusing. 6 (index 3) square root of 36 times 2 (index 3)square root of 6 Please use the following for roots: sqrt cubroot etc. Those, with parenthesis, make the problem clear. 6 cube root of 36 times 2 cube root of 6 6 cubrt 36 + 2 c...

**Math**

Hi i was wondering what the square root of 3 times the squareroot of 9 is with little 3's on on the outside of the square roots for each of them ( the index) sqrt3 *(sqrt9)= 3sqrt3 Is that little 3 a cube root sign? If so, then a number to the 1/3 power is the same as the ...

**math help**

if a 150 lb person can burn 410 calories /hour while bicycling 12 mi/h What rate would a 120 lb person burn calories while bicycling 12 mi/h? can some one explain this to me how to solve these kind of problems One has to assume some relationship with caloric burning rate and w...

**math check**

1.find the area heigh 5ft width 8 ft A=H x W A= 5ft x 8Ft A= 40ft^2 2.The circular surface of a table has a diameter of 4 ft. What it will cost to have the top refinished if the company charges $5.00 per square foot for the refinishing ? Use 3.14 for pi and round your answer t...

**Biology**

DNA was collected from 100 people and subjected to a restriction digest with BamHI. These samples were then analyzed using Stouthern blots. Three different patterns of hybridization were seen on the blots: 56 samples showed a single band of 6.3kb, 6 samples showed a single ban...

**Biology**

if the incidence of cystic fibrosis is 1 in 2500, what is the expected frequency of carriers for the CF allels? assume that this population is in Hardy-Weinberg equilibrium. I appreciate a hint to start this answering this problem. p^2 + 2pq + q^2 = 1 p + q = 1 q^2 is the perc...

**biology**

Can someone explain how the DNA vaccine differ from a traditional vaccine? Since this is not my area of expertise, I searched Google under the key words "DNA vaccine" to get these possible sources: http://people.ku.edu/~jbrown/dnavac.htm http://en.wikipedia.org/wiki/...

**biology**

Can someone explain how the DNA vaccine differ from a traditional vaccine?

**biology**

Why are enzymes needed by the cell? en.wikipedia. org/wiki/Enzyme

**Identifying controls and Variables**

Krusty was told that a certain itching powder was the newest best thing on the market, it even claims to cause 50% longer lasting itches.Interested in this product, he buys the itching powder and compares it to his usual product.One test subject (A) IS SPRINKLED WITH THE ORIGI...

**science**

pixelgolomcg

**cell biology**

Motor proteins such as as kinesin and dynein move along the cytoskeleton using the energy generataed from the hydrogen________, this phosphorylated nucleotide. a. GDP B. GTP C. ATP D. ADP i THINK THE RIGHT ANSWER IS "C" PLEASE CHECK Since this is not my area of exper...

**bio**

1. DAG activates _______.In turn kinase_____ its own substrate a. PKA, phosphatates b. PKA, phosphorylates c. PKC, phosphates d. PKC,phosphorylates I think the right answer is d, please check Since this is not my area of expertise, I searched Google under the key words "D...

**Cell Bio**

Sometimes, certain enzymes are associated with a particular organelle of the cell. Many times scientists have had to use ________________ centrifugation to separate different constituents of the cell. Following this procedure, you aliquot the fractions into separate test tubes...

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