A cell uses many methods to transport solutes across the plasma membrane. Classi

Question

A cell uses many methods to transport solutes across the plasma membrane. Classify the following descriptions as either simple diffusion, facilitated diffusion, acivesp pis ds either simple diffusion, facilitated diffusion, active transport, or bulk transport Simple diffusion Facitated diffusion Active transport Bulk transport out of the cell directly t plasma me out of the cell against their concentration gradient using membrane proteins movement of solutes out of the cell down their concentration gradient using membrane proteins movement of contents of transport vesicles out of the cell by exocytosis h the 14. Complete the following table In biological systems, there are several membrane transport systems responsible for the passage of ions, such as Na or K', or small molecules, such as glucose or amino acids, through biological membranes. ter a primary cive transporer, a secondary adivetransport Classify or a passive transporter. Primary active Secondary active transporter Passive transporter the Ca ATPase ofthe Na'K' ATPase the sarcoplasmic reticulum of plasma membranes the amino acid-Na* transporter of kidney cells the glucose transporter of erythrocytes the glucose-Na transporter of intestinal epithelial cells

Explanation / Answer

Active transport : movement of cells out of the cell against the concentration gradient using membtame proteins.

Facilitated transport : movement of solutes out the cell down their concentration gradient using transmembrane proteins.

Simple diffusion : movement of solutes out of the cell directly through the plasma membrane.

Bulk transport : movement of contents of transport vesicles out of the cell by exocytosis.

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