Chromosome compaction involving progressive chromosome looping:

During prophase, condensin II binds DNA and extrudes large loops

In prometaphase, condensin I forms additional loops nested within the loops formed by condensin II

TLS Online TPP Program

#Id: 6800

#Unit 3. Fundamental Processes

the RNA guide strand recruits RISC to a target RNA. It has been argued that the length of 22 nucleotides is just long enough to specify a single target sequence uniquely in the large genomes of complex eukaryotes using RNA–RNA base pairing.

TLS Online TPP Program

#Id: 1096

#Unit 2. Cellular Organization

ATP-powered pumps use the energy released by hydrolysis of the terminal phosphoanhydride bond of ATP to transport ions.

TLS Online TPP Program

#Id: 9566

#Unit 11. Evolution and Behavior

Hamilton’s rule:  It states that an allele that causes an altruistic behavior will spread if the following condition is met (rb>C)

TLS Online TPP Program

#Id: 3843

#Unit 5. Developmental Biology

gp 80 – form tight aggregate

TLS Online TPP Program

#Id: 5885

#Unit 3. Fundamental Processes

Hydrolysis of pyrophosphate is the driving force for DNA synthesis