QUESTION 14 Which of the following statements about the sodium/potassium (Na+/K+ ATPase) pump is FALSE? O It pumps Na+ and K+ across the membrane against their respective electrochemical gradients It pumps three Na+ ions out of the cell for every two K+ it pumps into the cell. O There is a net increase in positive charge inside the cell once the Na+/K+ATPase has transported the ions across the membrane OA molecule of ATP is used each time the pump transports the two ions
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.
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