Small depolarization of the plasma membrane triggers the opening of voltage- sensitive Ca2+ channels

TLS Online TPP Program

#Id: 7062

#Unit 3. Fundamental Processes

In a phenomenon called codon bias, some codons for a particular amino acid are used more frequently (sometimes much more frequently) than others. A minimum of 32 tRNAs are required to translate all 61 codons (31 to encode the amino acids and 1 for initiation) due to wobble positioning

TLS Online TPP Program

#Id: 8273

#Unit 1. Molecules and their Interaction Relevant to Biology

Hydrogen bonds are generally stronger than ordinary dipole-dipole and dispersion forces, but weaker than true covalent and ionic bonds.

TLS Online TPP Program

#Id: 3238

#Unit 3. Fundamental Processes

transversions, which are pyrimidine-to-purine and purine-to-pyrimidine substitutions, such as T to G or A and A to C or T.

TLS Online TPP Program

#Id: 7577

#Unit 5. Developmental Biology

Capacitation is a transient event, and sperm are given a relatively brief window of competence during which they can successfully fertilize the egg. As the sperm reach the ampulla, they acquire competence—but they lose it if they stay around too long

TLS Online TPP Program

#Id: 3739

#Unit 10. Ecological Principles

The Jaccard index / similarity index