Conformational Stability
The stability of a protein depends on its environment as well as the exposure to…
Cindy Ma
Structure
There are four levels of protein structure (primary, secondary, tertiary, and quaternary) and each successive…
Defining characteristics of eukaryotic cells
What are the defining characteristics of eukaryotic cells? A membrane-bound nucleus, a central cavity surrounded by…
Reactions
There are several ways in which amino acids can be modified, combined, or separated, to…
Description
Amino acids are the building blocks of proteins. There are 20 amino acids encoded by…
Intercellular junctions
Intracellular junctions are different types of connections between cells. Intercellular junctions are regions of contact…
Exocytosis and endocytosis
Exocytosis and Endocytosis are methods for expelling and taking in a material using the cells…
Membrane Receptors
Membrane receptors bind to external molecules called ligands and cause an internal cellular response. Membrane…
Membrane potential
A cell’s membrane potential is negatively charged when it is resting and non-signalling and is…
Membrane channels
Channel proteins span the membrane and make hydrophilic tunnels across it, allowing their target molecules to…