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TLS Online TPP Program

#Question id: 4167

Which statement is false concerning ribosomes and their components?

#SCPH01 Biochemistry

  1. All ribosomes have two subunits of unequal size.

  2. The genes for eukaryotic rRNA occur as tandem arrays of hundreds of copies.

  3. The 30S and 50S ribosomal subunits of E. coli combine to generate an 80S subunit.

  4. Sequences exist in prokaryotic and eukaryotic rRNA that are so similar, they likely derive from a common ancestor.

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TLS Online TPP Program

#Question id: 23160

#SCPH06 I Botany

Texas is a fluorescent dye which emits a colour?
TLS Online TPP Program

#Question id: 23161

#SCPH06 I Botany

A classically used fluorescent dye which emits a orange light is?
TLS Online TPP Program

#Question id: 23162

#SCPH06 I Botany

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?
TLS Online TPP Program

#Question id: 23163

#SCPH06 I Botany

Out of the given below alexa dyes which one will emit in red light range?
TLS Online TPP Program

#Question id: 23164

#SCPH06 I Botany

Out of the given below alexa dyes which one will emit in Blue light range?
TLS Online TPP Program

#Question id: 23165

#SCPH06 I Botany

For visualizing two proteins which are localized in nucleus through fluorescence microscopy which two sets of dyes can be best used for clear visual?