Genetic redundancy means that two or more genes are performing the same function and that inactivation of one of these genes has little or no effect on the biological phenotype

Redundancy seems to be widespread in genomes of higher organisms

TLS Online TPP Program

#Id: 1235

#Unit 7. System Physiology – Animal

The anterior pituitary secretes six peptide hormones: TSH, FSH, LH, GH, prolactin, & ACTH

TLS Online TPP Program

#Id: 2820

#Unit 13. Methods in Biology

Ion-exchange chromatography is frequently chosen for the separation and purification of proteins, peptides, nucleic acids, polynucleotides and other charged molecules, mainly because of its high resolving power and high capacity.

TLS Online TPP Program

#Id: 9537

#Unit 11. Evolution and Behavior

Proximate causes - The subject of cell biology, neurobiology, and many other biological disciplines.

Ultimate causes - Their historical causes, especially the action of natural selection.

TLS Online TPP Program

#Id: 8247

#Unit 1. Molecules and their Interaction Relevant to Biology

TLS Online TPP Program

#Id: 10175

#Unit 6. System Physiology – Plant

In the absence of gibberellin, 

the DELLA proteins positively regulate GID1, GA20ox, and GA3ox, and negatively regulate GA2ox.