Rough ER, which is associated with ribosomes, functions in the synthesis and processing of secreted and membrane proteins

Smooth ER, which lacks ribosomes, functions in lipid synthesis.

TLS Online TPP Program

#Id: 2970

#Unit 3. Fundamental Processes

The M C M 2 - 7 proteins form a six-member ring-shaped complex around DNA. MCM 2, 3, 5 are regulatory, while MCM4,6,7 have helicase activity.

TLS Online TPP Program

#Id: 8691

#Unit 1. Molecules and their Interaction Relevant to Biology

TLS Online TPP Program

#Id: 6740

#Unit 8. Inheritance Biology

TLS Online TPP Program

#Id: 6161

#Unit 3. Fundamental Processes

Energy derived from absorbed light is used to reverse the photoreaction that caused the lesion.  The two chromophores in E. coli photolyase (Mr 54,000), N5,N10 methenyltetrahydrofolylpolyglutamate (MTHFpolyGlu) and FADH, perform complementary functions

TLS Online TPP Program

#Id: 10198

#Unit 6. System Physiology – Plant

The ribotide and riboside forms of trans-zeatin can be interconverted, and free transzeatin can be formed from the ribotide by the LONELY GUY (LOG) family of cytokinin nucleoside 5’ monophosphate phosphohydrolase enzymes