Bacteria have two links between replication and cell growth:

• The frequency of initiation of cycles of replication is adjusted to fit the rate at which the cell is growing. 

• The completion of a replication cycle is connected with division of the cell.

TLS Online TPP Program

#Id: 3328

#Unit 3. Fundamental Processes

The significance of transcription-coupled repair is that it focuses repair enzymes on DNA (genes) being actively transcribed.

TLS Online TPP Program

#Id: 10363

#Unit 4. Cell Communication and Cell Signaling

Type 2 T-independent

TLS Online TPP Program

#Id: 6509

#Unit 7. System Physiology – Animal

Phenylketonuria (PKU) 

Mutation of the gene for phenylalanine hydroxylase

Caused by tetrahydrobiopterin (BH4) deficiency

TLS Online TPP Program

#Id: 8470

#Unit 1. Molecules and their Interaction Relevant to Biology

The two forms of poly(Pro)

all cis (I) or all trans (II) peptide bonds. 

poly(Pro) I as a right-handed helix with 3.3 residues per turn 

poly(Pro) II is a left-handed helix with 3 residues per turn.

TLS Online TPP Program

#Id: 7601

#Unit 5. Developmental Biology

In one pathway, sperm that have undergone the acrosome reaction bind directly to ZP2