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TLS Online TPP Program

#Question id: 3855

In eukaryotes, which of the following modifications is made to a primary transcript prior to its transport out of the nucleus?

#Unit 3. Fundamental Processes

  1. poly(A) tails added to the 3' end 

  2. 7-methyl guanosine caps added to the 5' end

  3. exon sequences, when present, are spliced out 

  4. all of these

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TLS Online TPP Program

#Question id: 31217

#Unit 4. Cell Communication and Cell Signaling

DNA damage or ultraviolet irradiation leads to induction of synthesis of the BH3-only protein, termed as:
TLS Online TPP Program

#Question id: 28762

#Unit 2. Cellular Organization

For optimal activity, of lysosomal acid hydrolases they need to be___

a)Activation based on sensitivity to cleavage by endoglycosidase-D

b)Activation by proteolytic cleavage

c)Requires an acid environment
TLS Online TPP Program

#Question id: 4079

#Unit 3. Fundamental Processes

What is the evidence that pre-mRNAs are not synthesized unless machinery for processing is properly positioned?
TLS Online TPP Program

#Question id: 23197

#Unit 13. Methods in Biology

In order to view images in TEM staining process has to be done. What kind of staining process are done.
1. Negative staining
2. Gram staining
3. Metal shadowing 
4. Immuno staining
Which of the following is true for TEM?
TLS Online TPP Program

#Question id: 23129

#Unit 2. Cellular Organization

Which of the following Hypothesis states that introns have always been an integral part of the gene.