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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:

#XL - S Microbiology

  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: 17271

#XL - S Microbiology

Electrophoretic resolution can be mainly change by changing the
TLS Online TPP Program

#Question id: 4932

#XL - T Zoology

Which of the following is the best hypothesis regarding origins of nucleic acids?
TLS Online TPP Program

#Question id: 5597

#XL - T Zoology

Mammalian sperm will migrate against the direction of the flow—using CatSper calcium channels (like sea urchin sperm) to sense calcium influx and monitor the direction of the current, this process is known as:
TLS Online TPP Program

#Question id: 19774

#XL - P Chemistry

Which of the following statements is correct?
TLS Online TPP Program

#Question id: 662

#XL - Q Biochemistry

________ received a Nobel Prize in 1964 for determining the structure of vitamin B12. He/she also solved the structure of penicillin in 1947 and developed many techniques used in the study of large proteins.