TLS Online TPP Program

#Question id: 28671


 In which of the following condition premature mitotic CDK activation and premature entry into mitosis are seen? 
a) during the activity of dual-specificity phosphatases
b) during replacing the tyrosine-15 residue from phenylalanine
c) defective wee1+ gene

#Unit 2. Cellular Organization
  1. a and c
  2. b and c
  3. a and b
  4. Only c
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TLS Online TPP Program

#Question id: 10859

#Unit 10. Ecological Principles

Plants that depend upon ants to spread their seeds

TLS Online TPP Program

#Question id: 13038

#Unit 13. Methods in Biology

Please arrange the following steps about ELIZA (Enzyme-linked immunosorbent assay) in chronological order
i. incubate with antibody-enzyme complex that binds primary antibody
ii. coat surface with antigen, block unoccupied sites with nonspecific protein
iii. add substrate, formation of colored product indicates presence of specific antigen
iv. incubate with primary antibody against specific antigen

TLS Online TPP Program

#Question id: 715

#Unit 1. Molecules and their Interaction Relevant to Biology

A protein is made up of 200 amino acids with alpha helix region containing 100 amino acid residues and 80 amino acids making antiparallel beta sheet and rest 20 amino acids in extended form. What will be the total length of this protein?

TLS Online TPP Program

#Question id: 4119

#Unit 3. Fundamental Processes

Many eukaryotic genes contain a large number of exons. Correct splicing of such genes requires that neighboring exons be ligated to one another; if they are not, exons will be left out. One early proposal suggested that the splicing machinery bound to a splice site at one end of an intron and scanned through the intron to find the splice site at the other end. Such a scanning mechanism would guarantee that an exon was never skipped. This hypothesis was tested with one minigene with a duplicated 5ʹ splice site. Find diagram of the products you expect from minigene if the splicing machinery binds to a 5ʹ splice site and scans toward a 3ʹ splice site.

TLS Online TPP Program

#Question id: 28684

#Unit 2. Cellular Organization

Both kinetochores of a sister chromatid pair can attach to microtubules from the same pole, is referred to as____