Stimulation of the sympathetic cardiac nerves speeds the depolarization in SA node.

TLS Online TPP Program

#Id: 6373

#Unit 2. Cellular Organization

The lac mRNA (as most mRNA is in bacteria) is extremely unstable and decays with a half-life of only 3 minutes.

TLS Online TPP Program

#Id: 3997

#Unit 2. Cellular Organization

In a natural closed DNA that is negatively supercoiled, the intercalation of ethidium bromide first removes the negative supercoils and then introduces positive supercoils.

TLS Online TPP Program

#Id: 1052

#Unit 5. Developmental Biology

Hox9 and Hox10 paralogues specify the stylopod

TLS Online TPP Program

#Id: 9157

#Unit 11. Evolution and Behavior

Loop method for inbreeding coefficient

Summation of all possible loop (1/2)ⁿ

TLS Online TPP Program

#Id: 6529

#Unit 7. System Physiology – Animal

Insulin has an AB heterodimer structure with 

One intrachain (A6-A11) 

Two interchain disulfide bridges (A7-B7 and A20-B19)