Let-7 miRNAs repress the translation of Ras mRNA and also targets MYC

TLS Online TPP Program

#Id: 7503

#Unit 4. Cell Communication and Cell Signaling

RAG1 is expressed at all phases of the cell cycle, RAG2 is stable only in G0- or G1-phase cells.

TLS Online TPP Program

#Id: 8903

#Unit 2. Cellular Organization

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: 1427

#Unit 4. Cell Communication and Cell Signaling

The non-I-domain α subunits recognize RGD motif.

TLS Online TPP Program

#Id: 7207

#Unit 5. Developmental Biology

IL-4 increases expression of class II molecules in resting B cells, turning them into more efficient APCs.

TLS Online TPP Program

#Id: 2880

#Unit 13. Methods in Biology

The denser a biological structure is, the faster it sediments in a centrifugal field.