Clustered Regularly Interspaced Short Palindromic Repeats CRISPR consist of repeated sequences (each 30 bp long and highly conserved within a given cluster) interleaved with spacer sequences of similar length but highly divergent sequence.

TLS Online TPP Program

#Id: 4456

#Unit 13. Methods in Biology

Metal shadowing- thin film of platinum is coated from a fixed angle. it provides information about the three-dimensional topology of the sample.

TLS Online TPP Program

#Id: 9476

#Unit 4. Cell Communication and Cell Signaling

SOCS proteins 

expression is induced by the STAT5 in erythroid progenitor cells, inhibit or permanently terminate signaling over longer periods

TLS Online TPP Program

#Id: 7595

#Unit 5. Developmental Biology

Chemotactic compounds hormone Progesterone,  made by the cumulus cells, might trigger the release of Protein kinase A from the sperm cell membrane, & allowing it to activate the sperm-specific cation CatSper channels would facilitate the transfer of calcium ions into the sperm, where they would cause exocytosis of the acrosome

TLS Online TPP Program

#Id: 10251

#Unit 6. System Physiology – Plant

The pyrabactin resistance (PYR)/PYR‐related (PYL)/regulatory

component of ABA receptor (RCAR) family of ABA receptors (PYR/PYL/RCAR protein family) have ABA‐binding activity

TLS Online TPP Program

#Id: 4703

#Unit 11. Evolution and Behavior