TLS Online TPP Program

#Id: 1184

#Unit 7. System Physiology – Animal

When light strikes the outer segment of Rod cells: 

Na + channels closed 

Hyperpolarizing receptor potential

TLS Online TPP Program

#Id: 5837

#Unit 10. Ecological Principles

Sequential changes in community structure over physical distance, primarily influenced by time, constitute a chronosequence

TLS Online TPP Program

#Id: 5707

#Unit 7. System Physiology – Animal

GnRH

Stimulates secretion of FSH and LH by gonadotropes

TLS Online TPP Program

#Id: 6616

#Unit 7. System Physiology – Animal

The last 14 days of the menstrual cycle are dominated by the corpus luteum (luteal phase).

TLS Online TPP Program

#Id: 606

#Unit 2. Cellular Organization

N binds to RNA transcribed from DNA containing a nut sequence. Thus, once RNA polymerase has passed a nut site, N binds to the RNA and from there is loaded on to the polymerase itself. In this state, the polymerase is resistant to the terminators found just beyond the N and cro genes.