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Answer the questions given below: 1).All living cells, both prokaryotic and eukaryotic, have the following cell structures: plasma membrane, cytosol, ribosomes, and at least one chromosome. Choose any one of these. Describe its basic structure (including molecular composition) as well as the function. Explain why a cell could not exist […]

Q1. NASA hopes they might one day be useful in producing some electricity on a spacecraft. What mode of nutrition do these bacteria almost certainly use? Q2. Compose a list of all the fat substitutes that you found on your ingredient label. Indicate what type of fat substitute you found […]

1) Take around 15 index cards and a flashlight which is opaque on all the sides (so that the light shines only through the front) into a very dark room. After keeping all the 15 cards over beam of light, slowly take out the cards single at a time till […]

The hydrolysis of pyrophosphate to orthophosphate is important in driving forward biosynthetic reactions, such as the synthesis of DNA. This hydrolytic reaction is catalyzed in E. coli by a pyrophosphate that has a mass of 120 kd and consists of six identical subunits. For this enzyme, a unit of activity […]