TLS Online TPP Program

#Id: 8977

#Section 3: Genetics, Cellular and Molecular Biology

Molecular clock - The concept of a steady rate of change in DNA sequences over time. 

TLS Online TPP Program

#Id: 7940

#Section 3: Genetics, Cellular and Molecular Biology

Once the SRP and its receptor have targeted a ribosome synthesizing a secretory protein to the ER membrane, the ribosome and nascent polypeptide chain are rapidly transferred to the translocon.

TLS Online TPP Program

#Id: 9187

#Section 3: Genetics, Cellular and Molecular Biology

Positive Selection: The Spread of Beneficial Mutations

TLS Online TPP Program

#Id: 8952

#Section 3: Genetics, Cellular and Molecular Biology

One is unequal crossing over, in which recombination happens between different positions on chromosomes that are misaligned during meiosis. 

Another is replication slippage, in which the DNA polymerase loses its place and copies a segment of chromosome twice.

TLS Online TPP Program

#Id: 3774

#Section 2: General Biology

Proton & neutron are found in the center of the atom, a place called the nucleus.