Answer: Explanation:
Sickle hemoglobin differs from normal hemoglobin by a single amino acid: valine replaces glutamate at position 6 on the surface of the beta chain. Therefore the red blood cell bends differently giving it a sickle shape
Answer:
No, bottled water cannot go bad.
Explanation:
It is impossible for any sort of water to "expire". But, when in the bottle for to long, the plastic does become dangerous. The bottle begins to leak chemicals into the water. This doesn't make the water toxic, but it can alter the taste of your water.
Answer:
Identical twins tend to be more similar to each other than fraternal twins do.
Explanation:
In this scenario,I guess the answer is roughly around 300 children die every year from the diseases in which the vaccinations are available. Hope this is the correct answer then and would surely be of big help to you then.
This tobacco plant is an example of a genetically modified organism.
