In the recessive mutant of Antennapedia, the gene fails to be expressed in the second thoracic segment, and antennae sprout in the leg positions

TLS Online TPP Program

#Id: 6043

#Unit 10. Ecological Principles

Biomes:  A biome is a collection of ecosystems sharing similar climatic conditions. A biome has distinctive abiotic factors and species which distinguish it from other biomes.

TLS Online TPP Program

#Id: 10560

#Unit 4. Cell Communication and Cell Signaling

TLS Online TPP Program

#Id: 7026

#Unit 11. Evolution and Behavior

Evolution means descent with modification, or change in the form, physiology, and behavior of organisms over many generations of time. 

TLS Online TPP Program

#Id: 5097

#Unit 6. System Physiology – Plant

Plant phytochrome is an autophosphorylating serine/threonine kinase that may phosphorylate other proteins (X).

TLS Online TPP Program

#Id: 3650

#Unit 3. Fundamental Processes

TyrRS distinguishes between tyrosine and phenylalanine through hydrogen bonding with tyrosine’s OH group. Since no other amino acid resembles tyrosine, the enzyme can do without an editing function.