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TLS Online TPP Program

#Question id: 2105

An investigator wants to use FRAP to quantify the lateral movement of a specific plasma membrane protein, but to do so this investigator must first:

#Section 2: General Biology

  1. focus a laser on one region of the cell surface.

  2. measures the intensity of the fluorescence of the cell surface.

  3. label the cell with a fluorescent reagent that binds specifically to the cell surface.

  4. add detergents to make the cell surface more fluid.

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TLS Online TPP Program

#Question id: 27255

#Section 3: Genetics, Cellular and Molecular Biology

Which histone(s) are associated with the linker DNA of a nucleosome?
TLS Online TPP Program

#Question id: 27256

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following statement is NOT true?
TLS Online TPP Program

#Question id: 27257

#Section 3: Genetics, Cellular and Molecular Biology

Because of steric constraints, purines in purine nucleotides are restricted to two stable conformations with respect to deoxyribose, called syn and anti.

            
The two molecules shown in the figures are best described as
TLS Online TPP Program

#Question id: 27258

#Section 3: Genetics, Cellular and Molecular Biology

There are characteristic patterns of hydrogen bonding and of overall shape that are exposed in the major groove that distinguish an A:T base pair from a G:C base pair, and, for that matter, A:T from T:A, and G:C from C:G,
TLS Online TPP Program

#Question id: 27259

#Section 3: Genetics, Cellular and Molecular Biology

Inactive miRNA undergoes how many cleavages before incorporation into the RISC complex?
TLS Online TPP Program

#Question id: 27272

#Section 5: Bioprocess Engineering and Process Biotechnology

During batch fermentation lowest specific growth rate is achieved during: