Last Updated On [03-11-2023]
Some cells are placed in a solution of glucose to measure the rate of diffusion. As the concentration of glucose solution is being increased, the diffusion rate increases simultaneously. However, when the concentration of glucose solution reaches above 10 m, the diffusion rate no longer increases
Which statement best define the mechanism of glucoses transport in the cells?
a)
Transport of hydrophilic substances along the concentration gradient through fixed membrane transport protein without the involvement of energy expenditure
b)
Transport of hydrophilic substances along and against the concentration gradient via carrier proteins
c)
Active transport via transporter proteins
d)
Facilitated diffusion without carrier proteins
Some cells are placed in a solution of glucose to measure the rate of diffusion. As the concentration of glucose solution is being increased, the diffusion rate increases simultaneously. However, when the concentration of glucose solution reaches above 10 m, the diffusion rate no longer increases
Which statement best define the mechanism of glucoses transport in the cells?
a)
Transport of hydrophilic substances along the concentration gradient through fixed membrane transport protein without the involvement of energy expenditure
b)
Transport of hydrophilic substances along and against the concentration gradient via carrier proteins
c)
Active transport via transporter proteins
d)
Facilitated diffusion without carrier proteins
Question ID - 3954 :-
Some cells are placed in a solution of glucose to measure the rate of diffusion. As the concentration of glucose solution is being increased, the diffusion rate increases simultaneously. However, when the concentration of glucose solution reaches above 10 m, the diffusion rate no longer increases
Which statement best define the mechanism of glucoses transport in the cells?
a)
Transport of hydrophilic substances along the concentration gradient through fixed membrane transport protein without the involvement of energy expenditure
b)
Transport of hydrophilic substances along and against the concentration gradient via carrier proteins
c)
Active transport via transporter proteins
d)
Facilitated diffusion without carrier proteins
|
Some cells are placed in a solution of glucose to measure the rate of diffusion. As the concentration of glucose solution is being increased, the diffusion rate increases simultaneously. However, when the concentration of glucose solution reaches above 10 m, the diffusion rate no longer increases Which statement best define the mechanism of glucoses transport in the cells? |
|
|
a) |
Transport of hydrophilic substances along the concentration gradient through fixed membrane transport protein without the involvement of energy expenditure |
|
b) |
Transport of hydrophilic substances along and against the concentration gradient via carrier proteins |
|
c) |
Active transport via transporter proteins |
|
d) |
Facilitated diffusion without carrier proteins |
|
(a) Diffusion is process in which uncharged molecules pass easily through a biological membrane. However, water soluble substance face difficulty to cross the membrane and the transport of these hydrophilic molecules are facilitated by carrier proteins, which are possessed by cell membrane. The overall process do not require energy and is referred to as facilitated diffusion |
Next Question :
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The plants, which are able to send their roots up to the fringe of water table are called |
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a) |
Xerophytic plants |
b) |
Terrestrial plants |
c) |
Phreatophytes |
d) |
Mesophytes |
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