TLS Online TPP Program

#Question id: 15393


First inducers (in early gastrula stages) of the lens may be:

#Unit 5. Developmental Biology
  1. Foregut endoderm and cardiac mesoderm.
  2. Optic vesicle and cardiac mesoderm
  3. Foregut endoderm and Optic vesicle 
  4. Anterior neural plate and optic vesicle
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TLS Online TPP Program

#Question id: 1819

#Unit 4. Cell Communication and Cell Signaling

The largest number of deaths from infectious diseases are caused by:

TLS Online TPP Program

#Question id: 5282

#Unit 8. Inheritance Biology

Conjugation allowed between Hfr with genotype A B C D E and F- with genotype a b c d e. At regular intervals, a sample of cells was removed and agitated

vigorously in a kitchen blender to halt all conjugation and DNA transfer. After interrupted conjugation, ex-conjugate were selected on minimal media at regular interval and find different number of ex-conjugate?

abCde   - 10, abCdE    -    30 ,  aBCdE  -     40 , ABCdE  -     20 , ABCDE   -   50

What is gene order of those genes?

TLS Online TPP Program

#Question id: 15278

#Unit 13. Methods in Biology

A DNA sample having mass 1 ng undergoes PCR, the eluted DNA is weighted about 1 microgram, the minimum number of cycles required

TLS Online TPP Program

#Question id: 26574

#Unit 3. Fundamental Processes

Which of the following is incorrect about De novo methylase & Perpetuation methylase

a. De novo methylase recognises unmethylated strand and methylated at single strand 

b. De novo methylase recognises unmethylated strand and methylated at single strand 

c. Perpetuation methylase recognises hemimethylated strand and methylated at both strand 

d. Perpetuation methylase recognises unmethylated strand and methylated at one strand 

TLS Online TPP Program

#Question id: 26497

#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?