July 30, 2014

Posts by tammy

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

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...

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...

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...

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...

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:

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

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...


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...

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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