Saturday
September 20, 2014

Posts by Mengistu


Total # Posts: 15

Biology
Is emulsification chemical or mechanical?
July 23, 2014

biology
Is carbonic acid (H2CO3) organic or inorganic molecule?
October 23, 2013

biology
Is carbonic acid (H2CO3) organic or inorganic?
October 23, 2013

Biology
Why mitochondrion and mitotic division are absent in prokaryotic cells?
March 1, 2013

Biology
Why mitochondrion and mitotic division are absent in prokaryotic cells?
March 1, 2013

Biology
When cells increase in size, the surface area to volume ratio decreases. But which surface area to volume ratio is better to the cell as well as to the organism? The larger or smaller ratio?
February 26, 2013

Science
Why not chicken lay eggs during nitht time? I want detail explanation.
February 21, 2013

biology
Another environmenat factor that can affect enzyme activity is inhibitor. It can be competitive or non-competitive inhibitor. In both cases, inhibitors are some drugs and they are acquired from the environment and interfere in the biochemical reaction of body. eg. Asprin
February 17, 2013

Biology
Which chromosome is more exposed to sex-linked disorders X or Y chromosome? Why?
February 14, 2013

biology
What is the scientific reason to the larger population of females than males in countries in relation to chromosomes?
February 2, 2013

Biology
What will happen to the enzyme activity if both competetive and non-competetive inhibitors appear at the same time together with substrates in a reaction? Which inhibitor will affect the rate of the reaction in more?
January 13, 2013

Biology
What will happen to the enzyme activity if both competetive and non-competetive inhibitors appear at the same time together with substrates in a reaction? Which inhibitor will affect the rate of the reaction in more?
January 13, 2013

Biology
Why DNA is more stable than RNA?
January 12, 2013

Biology
What is the case for that sucrose is said to be non-reducing sugar?
January 12, 2013

biology
Those organisms categorized as prokaryotic are all the members of Kingdom Monera. The representative groups are bacteria ( Blue Green Algae & Eubacteria). There is no prokaryotic organism in the rest Kingdoms.
January 11, 2013

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