Articles from February 2010



What’s the difference between covalent and hydrogen bonds in DNA?

london asked: I’m making a DNA model and I’m not certain about the bonds. Pictures would be nice.high interest rates

what bonds are created during the formation of the primary source of a protein?

d_rules4 asked: i think it is peptide bonds but i have no idea why. so if you could elaborate please.high yield fund

Why does China buying USA bonds therefore peg the yuan to dollar exchange rate as low and stabilise the ER ?

awindsor200 asked: I am not an economist. If the USA runs up debt serviced by bonds, at present China buys the debt as bonds, gilts etc. This sounds ominous. This encourages US debt and keeps bond yields low, as they can easily find a buyer at present ? Surely it can all go horribly wrong [...]

What is the maximum number of covalent bonds an element with atomic number 8 can make with hydrogen?

Tina T asked: The element with atomic number 8 would need 2 electrons to fill its valence shell, where as hydrogen only needs 1 to fill its valence shell right? The answer to this is 2 maximum covalent bonds, but I cannot figure out why. Science savvy people heeeelp I have a bio 2 exam [...]

How did Barry Bonds learn his exact steroid testing date months ahead of time?

b m asked: In my opinion, the most shocking news in the Mitchell report was the fact that Barry Bonds and his trainer were told the exact date of his official “random” steroid test approx 3 months ahead of time. Is it known how this information was leaked to Bonds? Did the MLB front office [...]

How to calculate the present values of two corporate bonds? What would be the risk investing in these bonds?

Melissa asked: First one issued 25 years ago at a coupon rate of 7% and the second 5 years ago also at a coupon rate of 7%. Both bonds have terms of 30 years and face values of $1,000. The interest rate on these today is at 10%.growth funds

When bonds are formed what happens to bond energy?

IJS asked: When bonds are formed, does the bond energy increase? When they break, does the bond energy decrease?growth funds

How do you have your 401K currently invested among stocks, bonds, and cash?

Matthew Smit asked: Please give your age as well as the percentage breakdown of stocks, bonds, and cash in your 401K. Myself, I am 31 years old and am 50% bonds and 50% cash and 0% stocks. I am trying to get a sampling of how others are investing their company retirement plans. Thanks.high yield [...]

What countries offer bonds to international investors through internet?

sapclip asked: I understand that UAE offers national bonds to international inverstors and can be baught by anyone through internet. Are there any other similar bonds available for investment in any other part of the world?high interest rates

How do I sell my corporate bonds at fair market value ?

SOUTH LAKE asked: Last month I bought a corporate bond on Etrade @ 80 and I would like to sell it for 86 as I notice others are asking . However , when I try to sell the bond , the system offers me a bid price only $30 . How do I post the [...]