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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
Parthenogenesis is the development of EGG into new individual so, how can egg be developed into male because egg won't have that "Y" chromosome required for male offspring
You have 12 mL of cells you need to treat with Hydrogen Peroxide (H2O2), such that the final concentration of H2O2 is 50 uM.
The doctor suspected the patient was using anabolic steroids so he ordered an additional test. The doctor discovered circulating levels of stanozolol, which is a banned anabolic steroid, in the pati
I understand that different types of cell will have a different number of Organelles in them, (e.g. there might be some very simple cells with 10 but there might be some with many more than that) bu
However, sudden changes are possible in the level available of a certain protein. An example could be sudden depletion of SNAREs (required for vesicle fusion in neurotransmitter exocytosis) caused b
Many willows (Salix spp.) grow in northern states but do not grow in southern states, for example Salix viminalis.
I've heard that THC can cause permanent damage to brain cells. I've also heard this reffered to anti drug propaganda. Another theory i've read is that temporary effects reduce intelligence but long
There are several families of antibodies found in mammals. They may have two or more antibody domains which contain heavy and light chains. The variable regions of the light and heavy chains genes i