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What is the epithelialmesenchymal transition
In general terms, what is the normal cellular function of RAS How is RAS activity commonly disrupted in cancer cells?
State two ways in which the specificity of CDK2 is controlled under normal circumstances.
Two proteins (X and Y) differ significantly in their pI values derived based on their amino acid sequence. Protein X has a pI of 8 and protein Y has a pI of 4.
Name two ways that bacteria undergo genetic recombination.
Describe each of the named biochemical operations in terms of the biochemical transformation involved, the reaction environment used, and the bioreactor configuration employed.
What is the role of eIF4E? How is eIF4E regulated?
MicroRNA 172 (miR172) targets the AP2 repressor of flowering in Arabidopsis thaliana. Describe how and why flowering time would be affected in the following experiments: miR172 is over-expressed
What is TFIID? Name two functions of TFIID.
Outline the key structural features of the bacterial Type 3 Secretion System (T3SS).
What is a riboswitch?please explain in detail.Briefly describe how interaction of a riboswitch with Factor X could cause a reduced level of gene expression for a fictional gene xfaCin a bacterium by
Genome sequencing has given us unprecedented levels of understanding of the evolution and function of bacteria.
How many different types of gametes can be formed by individuals of the genotype
Which of the four classes of amino acids do you suppose would be prevalent in proteins that bind to the sugar-phosphate backbone of DNA?
Describe how endosomal-lysosomal dysfunction can give rise to neurodegeneration.
Fatal Familial Insomnia (FFI) is a genetic sleep disorder that has been diagnosed in less than 40 families worldwide. FFI begins as unexplained sleeplessness during middle age and rapidly develops i
A trait found in rabbits is a multiple allelic trait for the color and pattern of hair. Black and Brown and Gray are co-dominant with each other and dominant to white which is rescessive to all the
The molecular weight of vincristine, a pharmaceutical drug, is 923.04 g/mol. It is supplied in 1 mg per vial. You want to treat your culture cells with a final concentration of 7 hM vincristine and
Thinking about the functions of testosterone, the functions of epinephrine, and the nature of enzymes, which hormone pathway is likely to have a swifter effect?
To make up a solution of phosphate buffered saline (PBS), you need 15 mM Na2HPO4 (anhydrous) (FW: 141.96 g/mol), 0.25 M NaCl (FW: 58.44 g/mol), and 2 mM KH2PO4 (FW: 136.09 g/mol).
Sulfhydryl groups have the ability to react with the alkylating reagent N-ethylmaleimide (NEM) in chemical modification experiments. When NEM is added to a purified solution of creatine kinase, Cys
You need to prepare a stock solution of medium for your culture cells, which usually includes liquid salt solution and bovine serum. Your liquid salt solution is supplied in a 50X concentration, and
I am familiar with the Jmol, Rasmol and PyMoL softwares, and was recently introduced to BioBlender. However, I am completely unaware if any of these programs (or others) are capable of loading a .pd
Surveys show that 0.6 percent of the US population has an allergic reaction to peanuts. This prevalent allergy has even prompted some to ban peanuts from schools altogether.
I understand that mass spec is widely used to study PTMs like glycosylation of proteins, but how can mass spec determine correct PTM structure of say glycosylation if two glycan structures have the