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Question: Enzymes are typically needed to catalyze reactions that would be very unlikely to occur on their own. Imagine that the activation energy, Ea, for the uncatalyzed cheese reaction at 20C is 18kcal/mol. This reaction could then be catalyzed by colloidial platinum Ea= 13kcal/mol or by the enzyme renin Ea=7kcal/mol. Draw an activation energy diagram for this reaction under catalyzed and uncatalyzed conditions, and explain what means for the activation energy to be lowered from 18 to 13 kcal/mol by platinum, but from 18 to 7kcal/mol with rennin.
Preliminary trials suggest that the drug tamoxifen, antiestrogen commonly use to treat breast cancer, is useful in treating biopolar disorder. Tamoxifen is an inhibitor of Protein Kinase C.
Modify population equation Nt = Noe^rt such that Nt includes both males and females. Be sure to list any assumptions needed by your modification and explain why this new model works.
State the probability (percentage or fraction) of each of following sets of parents generating the given genotypes within their offspring.
A cross is made in a pure-breeding green budgie and a pure-breeding albino budgie. What are the genotypes of the parent birds?
Assume you want to evaluate kidney function in a 55-year¬-old, obese man with type II diabetes,and you ask him to collect his urine over a twenty-four hour period.
are ancestry dna tests(mtDNA,Y-chromosome STR test) reliable.
It is January and the starting of a new semester. Just as you get settled in to your new routine, you begin to notice that illness is spreading across campus and other students in your classes are so sick they do not come to virology class.
What is the function of the polymerase chain reaction (PCR) in genetic engineering? To cut DNA into many fragments.To carry DNA into a new cell.To make millions of copies of a specific segment of DNA.
If a single rod-like (cylinder) E. coli was 2um long and 0.8um in diameter, and had a density of 1.1 x 10^3, what would be the mass of a single cell?
Hydrolytic driving force. The hydrolysis of pyrophosphate to orthophosphate is important in driving forwards biosynthetic reactions such as the synthesis of DNA.
The client tells nurse that he does not understand what that means. How would nurse explain this in terms the client would understand.
Discuss the five main types of histone proteins, and describe what role each of them plays in the nucleosome. Based on what you know about them,
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