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TLS Online TPP Program

#Question id: 4012

Why is the methylguanosine cap added to mRNA before the poly(A) tail?

#Unit 3. Fundamental Processes

  1. because the cap is added to the 5' end before the 3' end is fully transcribed

  2. because the cap is added to the 3' end before the 5' end is fully transcribed

  3. because the cap is required for the addition of the poly(A) tail

  4. none of the above

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TLS Online TPP Program

#Question id: 23040

#Unit 12. Applied Biology

________ process is the main pathway for degradation of bioorganic compounds.
TLS Online TPP Program

#Question id: 2964

#Unit 2. Cellular Organization

Starting with a fertilized egg (zygote), a series of six cell divisions would produce an early embryo with how many cells?
TLS Online TPP Program

#Question id: 749

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is correct for the A form of DNA structures?
TLS Online TPP Program

#Question id: 4299

#Unit 3. Fundamental Processes

Lactate dehydrogenase (LDH) can exist as various tetrameric isozymes. Extracts from different rat tissues were run on a nondenaturing polyacrylamide gel and stained for LDH activity, as shown below. Standard tetramers of M subunits (M4) and H subunits (H4) were run alongside the tissue extracts. Which of the following is the subunit composition of the isozyme running at position 2 ?
TLS Online TPP Program

#Question id: 33239

#Unit 1. Molecules and their Interaction Relevant to Biology

In case of enzymes, Mg2+ and Zn2+