Large aberrations can be detected by examination of mitotic chromosomes that have been stained with banding agents such as quinacrine or Giemsa.

TLS Online TPP Program

#Id: 9320

#Unit 4. Cell Communication and Cell Signaling

Light-triggered closing of the cGMP-gated cation

channels causes a drop in the cytosolic Ca2+ concentration inside the rod cell.

TLS Online TPP Program

#Id: 7419

#Unit 5. Developmental Biology

Ultrabithorax (Ubx), is required for the identity of the third thoracic segment.

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#Id: 2240

#Unit 11. Evolution and Behavior

The neutral-mutation hypothesis proposes that most molecular variation is neutral with regard to natural selection and is shaped largely by mutation and genetic drift.

TLS Online TPP Program

#Id: 3184

#Unit 3. Fundamental Processes

In some situations a mitochondrion has both paternal and maternal alleles. This has two requirements: that both parents provide alleles to the zygote (which of course is not the

case when there is maternal inheritance.

TLS Online TPP Program

#Id: 5069

#Unit 3. Fundamental Processes

DnaA promotes replication

SeqA delays new round of replication by inhibiting dam methylase binding

Dam methylase provide substrate for DnaA