Describe the composition of the plasma membrane. Include the general structure of different types of lipids and any asymmetry in their distribution. Include the different classes of membrane proteins and different ways in which proteins are associated with the membrane
Proteins
We generally tend to think of proteins only from a dietary lens, as a component of what we eat. However, they are among the most important and abundant organic macromolecules in the human body, with diverse structures and functions. Every cell contains thousands and thousands of proteins, each with specific functions. Some help in the formation of cellular membrane or walls, some help the cell to move, others act as messages or signals and flow seamlessly from one cell to another, carrying information.
Protein Expression
The method by which living organisms synthesize proteins and further modify and regulate them is called protein expression. Protein expression plays a significant role in several types of research and is highly utilized in molecular biology, biochemistry, and protein research laboratories.
Describe the composition of the plasma membrane. Include the general structure of different types of lipids and any asymmetry in their distribution. Include the different classes of membrane proteins and different ways in which proteins are associated with the membrane.
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Distinguish molecules that can diffuse through a lipid bilayer from those that must be transported. Describe the transport of small molecules by carrier proteins, and contrast ion channels and pores. Explain how ion gradients can drive active transport across membranes.
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