Adaptation has costly side effects

TLS Online TPP Program

#Id: 2887

#Unit 3. Fundamental Processes

short region of A-T -rich DNA is melted.

TLS Online TPP Program

#Id: 10163

#Unit 6. System Physiology – Plant

The biosynthesis of gibberellins is under strict genetic, developmental, and environmental control, and numerous gibberellin-deficient mutants have been isolated.

TLS Online TPP Program

#Id: 514

#Unit 2. Cellular Organization

Low Cot1/2 value means

1. Low complexity with high repeats

2. High complexity with high repeats

3. Low complexity with no repeats

4. no complexity and no repeats

TLS Online TPP Program

#Id: 3290

#Unit 3. Fundamental Processes

In BER,  DNA polymerase I initiates repair synthesis from the free 3’ hydroxyl at the nick, removing (with its 5’-3’ exonuclease activity) and replacing a portion of the damaged strand. 

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.