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TLS Online TPP Program

#Question id: 12334

If a meteor impact or volcanic eruption injected a lot of dust into the atmosphere and reduced the sunlight reaching Earth's surface by 70% for one year, all of the following marine communities most likely would be greatly affected except

#Unit 10. Ecological Principles
  1. Deep-sea vent communities. 
  2. Coral reef communities. 
  3. Benthic communities. 
  4. Pelagic communities.
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TLS Online TPP Program

#Question id: 26503

#Unit 3. Fundamental Processes

Match the following

 Protein Function
 1. Prp 5 a. helps the release of the mature mRNA from the spliceosome 
 2. Brr 2 b. is responsible for the activation of the spliceosome
 3. Prp 2 c. facilitates U1 and U4 release
 4. Prp 22 d. is critical for U2 binding
TLS Online TPP Program

#Question id: 26502

#Unit 3. Fundamental Processes

Splice sites are directional in nature. 5’ splice site -the left, or donor, site and the 3’ splice site - right, or acceptor, site. So, in below table the complex and their events are given match them correctly .

 Column 1 Column 2
 1. E complex a. Joining of U4/6 and U5 tri-snRNPs
 2. A complex b. U2 addition to base pair with the branch site in the presence of ATP
 3. B1 complex c. Formation of commitment complex in which U1 is base paired with the 5' splice site 
TLS Online TPP Program

#Question id: 26501

#Unit 3. Fundamental Processes

Splice sites are directional in nature
TLS Online TPP Program

#Question id: 26500

#Unit 3. Fundamental Processes

Choose the correct statement 
1.UACUAAC is branch point sequence for U2 type introns 
2.UACUAAC is branch point sequence for U12 type introns
3.CCUUAAC is branch point sequence for U12 type introns
4.CCUUAAC is branch point sequence for U2 type introns
TLS Online TPP Program

#Question id: 26499

#Unit 3. Fundamental Processes

There are three type of Splicing signals 1. Major U2-type or GU-AG introns 2. Minor U12-type or AU-AC introns & 3. Minor U12-type with GU-AG introns (hybrid type), which of the following is responsible for the recognition of branch point sequence UACUAAC?
TLS Online TPP Program

#Question id: 26498

#Unit 3. Fundamental Processes

Which of the following shows correct bond pattern in Lactose and Allolactose