Close inbreeding is harmful because it increases the proportion of homozygotes and thereby boosts the probability that deleterious and lethal recessive alleles.

TLS Online TPP Program

#Id: 4646

#Unit 13. Methods in Biology

Diphenyltetrazolium bromide, a yellow tetrazole is reduced by metabolically active cells to form insoluble, purple formazan dye crystals detected at 570nm

TLS Online TPP Program

#Id: 6586

#Unit 7. System Physiology – Animal

Hormonal factors that stimulate spermatogenesis:

Testosterone

Luteinizing hormone

Follicle-stimulating hormone

Estrogens

Growth hormone

TLS Online TPP Program

#Id: 8332

#Unit 2. Cellular Organization

Latrunculin, 

a toxin secreted by sponges, binds and sequesters G-actin

TLS Online TPP Program

#Id: 6469

#Unit 3. Fundamental Processes

There are 27 of these repeats in the yeast Pol II CTD, 32 in the worm Caenorhabditis elegans, 45 in the fly Drosophila, and 52 in humans.  YSPTSPS repeats in CTD corresponds to the complexity of the genome.

TLS Online TPP Program

#Id: 3775

#Unit 1. Molecules and their Interaction Relevant to Biology

The electrons revolve in orbits around the nucleus.