Practice Questions

TLS Online TPP Program

#Question id: 4013

The textbook states that the nucleotide sequence of splice sites is “highly conserved” and of “ancient origin.” How do we know this sequence is ancient?

#Unit 3. Fundamental Processes

It is widespread and occurs in even the most primitive eukaryotes.
The number of mutations that have accumulated in the sequence indicates that it must have been in cells for millions of years.
It is only found in organisms that are highly evolved.
It codes for ancient proteins.

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TLS Online TPP Program

#Question id: 23157

#Unit 13. Methods in Biology

Immunofluorescence microscopy, the most widely used method of detecting

TLS Online TPP Program

#Question id: 23158

#Unit 13. Methods in Biology

You have purified protein X and injected into an animal so that over a period of weeks, the animal will mount an immune response and make antibodies to protein X. By which technique these generated antibodies can be extracted from blood serum.

TLS Online TPP Program

#Question id: 23159

#Unit 13. Methods in Biology

Rhodamine is a fluorescent dye which emits a colour?

TLS Online TPP Program

#Question id: 23160

#Unit 13. Methods in Biology

Texas is a fluorescent dye which emits a colour?

TLS Online TPP Program

#Question id: 23161

#Unit 13. Methods in Biology

A classically used fluorescent dye which emits a orange light is?

TLS Online TPP Program

#Question id: 23162

#Unit 13. Methods in Biology

Match the fluorescent dyes in column I with emission light in column II

Column I Column II

1. Texas a. far red

2. Fluorescein b. red

3. Rhodamine c. blue

4. Cy5 d. green

Which of the following option comprises all correct matches?