TLS Online TPP Program

#Id: 5909

#Unit 3. Fundamental Processes

A common feature of all DNA polymerases is that they cannot initiate synthesis of a chain of DNA de novo, but can only elongate a chain.

TLS Online TPP Program

#Id: 6578

#Unit 7. System Physiology – Animal

MIS is a 536-amino-acid homodimer a member of the TGF-β superfamily

TLS Online TPP Program

#Id: 3834

#Unit 5. Developmental Biology

The stalk is supported by a basal disc & the spore mass is is supported by the upper and lower cup.

TLS Online TPP Program

#Id: 6911

#Unit 8. Inheritance Biology

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

TLS Online TPP Program

#Id: 3361

#Unit 3. Fundamental Processes

Photoreactivation; Ultraviolet irradiation causes formation of thymine dimers. Upon exposure to light, DNA photolyase breaks the ring formed between the dimers to restore the two thymine residues.