Our top priority is providing value to members. Your Member Services team is here to ensure you maximize your ACS member benefits, participate in College activities, and engage with your ACS colleagues. It's all here.
Become a MemberOur top priority is providing value to members. Your Member Services team is here to ensure you maximize your ACS member benefits, participate in College activities, and engage with your ACS colleagues. It's all here.
Become a Member
October 11, 2023
But not all active transport looks the same. Here are the 3 distinct types of active transport that keep your cells alive. This is the most straightforward type. Think of it as using a direct paycheck of energy to get the job done.
Think of a hydroelectric dam. The water stored up high (created by primary transport) has potential energy. When you let the water flow down, you can use that flow to power something else (like a turbine).
So the next time you feel tired trying to get a task done, remember your cells: They are constantly swimming upstream, carrying heavy bags, and working against the odds—all to keep you alive.
In secondary transport, a molecule (like sodium) naturally wants to flow back into the cell (down its gradient). A co-transporter protein lets that sodium ion fall back in, but only if it brings a "passenger" molecule (like glucose) along for the ride—even if the glucose is moving against its own gradient.
In biology, this process is called . Unlike passive transport (diffusion), which is like floating downstream, active transport requires energy —specifically, ATP (the cellular currency of energy).
But not all active transport looks the same. Here are the 3 distinct types of active transport that keep your cells alive. This is the most straightforward type. Think of it as using a direct paycheck of energy to get the job done.
Think of a hydroelectric dam. The water stored up high (created by primary transport) has potential energy. When you let the water flow down, you can use that flow to power something else (like a turbine). 3 types of active transport
So the next time you feel tired trying to get a task done, remember your cells: They are constantly swimming upstream, carrying heavy bags, and working against the odds—all to keep you alive. But not all active transport looks the same
In secondary transport, a molecule (like sodium) naturally wants to flow back into the cell (down its gradient). A co-transporter protein lets that sodium ion fall back in, but only if it brings a "passenger" molecule (like glucose) along for the ride—even if the glucose is moving against its own gradient. Think of it as using a direct paycheck
In biology, this process is called . Unlike passive transport (diffusion), which is like floating downstream, active transport requires energy —specifically, ATP (the cellular currency of energy).