When a nonfunctioning duplicate is fixed in the population, or a functioning gene becomes nonfunctional, the result is a genetic skeleton called a pseudogene.

Deletions are important in shaping the genome.

TLS Online TPP Program

#Id: 7323

#Unit 12. Applied Biology

Phytodegradation works best with organic contaminants like herbicides, trichloroethylene, and methyl tert-butyl ether (MTBE – a volatile substance). 

TLS Online TPP Program

#Id: 10533

#Unit 4. Cell Communication and Cell Signaling

Pro-apoptotic members form channels in the mitochondrial outer membrane

Bax, Bak, Bok

TLS Online TPP Program

#Id: 2987

#Unit 13. Methods in Biology

During differential sedimentation the largest class of particles forms a pellet on the
bottom of the centrifuge tube, leaving smaller-sized structures within the supernatant.

TLS Online TPP Program

#Id: 7009

#Unit 5. Developmental Biology

Adult stem cells must maintain the long-term ability to divide, be able to produce some differentiated daughter cells, and still repopulate the stem cell pool.

TLS Online TPP Program

#Id: 1409

#Unit 4. Cell Communication and Cell Signaling

Thick-filament regulation Myosin-dependent mechanism regulate contraction in smooth muscle and non-muscle cells.