Nitrogenase is a complex consisting of the MoFe protein Fe protein,

Here few of the statement are given regarding Fe protein is given 

(a) contains 2 identical subunits (dimer) – nif H

(b) Each subunit has MW of 30 ~ 72 kD.

(c) Each subunit contains an Fe-S cluster (4Fe and 4S2-).

(d) Each subunit has 2 Mo-Fe-S clusters

Which of the following is true regarding Fe protein

TLS Online TPP Program

#Question id: 14147

#Unit 3. Fundamental Processes

Activators that stimulate this kind of promoter work by triggering a conformational change in either RNA polymerase or DNA; that is, they interact with the stable closed complex and induce a conformational change that causes transition to the open complex, this is an example of

TLS Online TPP Program

#Question id: 19709

#Unit 3. Fundamental Processes

Following are statements related to the telomere related to the stability chromosome

a) protecting the ends of chromosomes from degradation 

b) preventing chromosomal end fusion

c) protect genome from nucleolytic degradation

d) provide a mechanism for their replication by semiconservative length maintenance 

choose the correct statement 

TLS Online TPP Program

#Question id: 19710

#Unit 3. Fundamental Processes

Telomeric sequences can be written in the general form 

TLS Online TPP Program

#Question id: 19711

#Unit 3. Fundamental Processes

Telomere are marker for the healthy cell, if the cell shows indefinite replication (embryonic or stem cell) the size of telomere lies between the range of  

TLS Online TPP Program

#Question id: 19712

#Unit 3. Fundamental Processes

Size of telomeric sequences are marker for the cell division and healthy cell,  Below some of the stages and sizes of telomere are given below

i. 3 – 20 kb (TTAGGG)n	a. cancerous cell
ii. less than 3 kb (TTAGGG)n	b. apoptotic cell death
iii. Ends with no (TTAGGG)n	c. limited replication
iv. Up to 55 kb of (TTAGGG)n	d. indefinite replication

Match them correctly

TLS Online TPP Program

#Question id: 19713

#Unit 3. Fundamental Processes

Which of the followings is the incorrect statement regarding telomeric sequences