13 Questions
What is another term often used to refer to active-transport transporters?
Pumps
Which type of transporters exhibit specificity and saturation similar to facilitated-diffusion transporters?
Secondary active transporters
In active transport, the flux via the transporter is maximal when:
All transporter binding sites are occupied
Which type of transporter moves substances uphill in a manner similar to pumps?
Secondary active transporters
Which transport system moves substances against their concentration gradient?
Primary active transport system
Which type of epithelium lines the glands of the body?
Simple cuboidal epithelium
How is epithelial tissue classified based on the number of cell layers?
Simple and stratified
Which shape of cells characterizes simple columnar epithelium?
Tall, column-like cells
What is the main function of simple cuboidal epithelium?
Absorption and secretion
Which type of epithelium is best suited for rapid diffusion due to its thin nature?
Simple squamous epithelium
In which classification of epithelial tissue do all cells make contact with the basement membrane?
Pseudostratified columnar epithelium
Which shape of cells characterizes simple cuboidal epithelium?
Cube-shaped cells
What is a distinguishing feature of simple columnar epithelium compared to simple cuboidal epithelium?
Presence of cilia on apical surfaces
Learn about the two means of coupling an energy flow to transporters in biology: Primary active transport, where energy comes from ATP hydrolysis, and Secondary active transport, driven by energy stored in ionic gradients.
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