33 Questions
Which type of protein creates hydrophilic holes in cell membranes?
Channel proteins
Which type of protein consumes energy to transport substances against the concentration gradient?
Carrier proteins
Which type of protein forms hydrophilic pores through the membrane?
Channel proteins
Which type of protein binds to target chemicals on one side of the membrane and alters their conformation?
Carrier proteins
Which type of protein transports chemicals across the membrane both down and up the concentration gradient?
Carrier proteins
Which type of protein only transports ions and molecules down the concentration gradient?
Channel proteins
Which type of protein flips between two conformations during the process of transporting molecules?
Carrier proteins
Which type of protein remains fixed at all times and does not change conformation during transport?
Channel proteins
Which type of protein allows the target molecules or ions to pass through the membrane by diffusion without consuming any energy?
Channel proteins
Which type of protein transports substances down the concentration gradient without consuming any energy?
Channel proteins
Which type of protein binds to target chemicals and alters their conformation for transport across the membrane?
Carrier proteins
Channel proteins only transport ____ and molecules down the concentration gradient, which does not require any energy
ions
Carrier proteins only consume energy to transport substances ____ the concentration gradient
against
No energy is used to transport substances down the concentration ____
gradient
The conformation of channel proteins remains fixed at all times and does not change even when transporting ____
molecules
Channel proteins form hydrophilic pores through the membrane, which allow the target molecules or ions to pass through the membrane by diffusion, without consuming any energy and without any interaction with each ____
other
Carrier proteins bind to target chemicals on one side of the membrane and alter their conformation so that the substances can be released on the other side of the ____
membrane
Channel proteins are proteins that create hydrophilic holes in cell membranes, facilitating the transport of molecules down the concentration ____
gradient
Carrier proteins are integral proteins that transport chemicals across the membrane both down and up the concentration ____
gradient
Carrier proteins flip between two conformations during the process of transporting ____
molecules
Channel proteins only transport ____ and molecules down the concentration gradient, which does not require any energy
ions
Carrier proteins only consume energy to transport substances against the concentration ____
gradient
Channel proteins form hydrophilic pores through the membrane, which allow the target molecules or ions to pass through the membrane by diffusion, without consuming any energy and without any interaction with each
other
Which type of protein remains fixed at all times and does not change conformation during transport?
Channel
Which type of protein consumes energy to transport substances against the concentration gradient?
Carrier
Which type of protein binds to target chemicals on one side of the membrane and alters their conformation?
Carrier
The conformation of channel proteins remains fixed at all times and does not change even when transporting
molecules
No energy is used to transport substances down the concentration
gradient
Carrier proteins are integral proteins that transport chemicals across the membrane both down and up the concentration
gradient
Carrier proteins only consume energy to transport substances
against
Which type of protein only transports ions and molecules down the concentration gradient?
Channel
Carrier proteins only consume energy to transport substances
against the concentration gradient
Carrier proteins flip between two conformations during the process of transporting
molecules
Test your knowledge of integral transmembrane proteins with this quiz on the differences between channel and carrier proteins. Explore their structures, mechanisms, and functions while learning about their roles in facilitating molecular transport across cell membranes.
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