Tandem duplication- Duplicated chromosome segment is adjacent to the original segment.

TLS Online TPP Program

#Id: 3360

#Unit 6. System Physiology – Plant

The number of protons that must be transferred to produce one complete rotation of the c ring is equal to the number of c subunits in the ring.

TLS Online TPP Program

#Id: 7412

#Unit 5. Developmental Biology

The maintenance of patterns is regulated by reciprocal interaction between neighboring cells: cells secreting Hedgehog protein activate wingless expression in their neighbors, and the Wingless protein signal, which is received by the cells that secreted Hedgehog, serves to maintain hedgehog (hh) expression

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#Id: 7487

#Unit 4. Cell Communication and Cell Signaling

Digestion of antibody 

TLS Online TPP Program

#Id: 8917

#Unit 2. Cellular Organization

TLS Online TPP Program

#Id: 3162

#Unit 11. Evolution and Behavior

Natural selection was Darwin’s brilliant hypothesis, independently conceived by Wallace, that accounts for adaptations, features that appear “designed” to fit organisms to their environment.