How Chemicals Cross The Cell Membrane Flashcards
1
Q
Glucose can enter cell, but in order to prevent unused glucose from leaking back out, it is converted into _
A
Glucose-6 phosphate
2
Q
_ and _ pass through cell membrane easily
A
Glucose
Oxygen
3
Q
_ and _ can only pass through membrane via pores
A
Sodium ions
Amino acids
4
Q
The pores are _
A
Membrane proteins
(Gates)
5
Q
Membrane proteins open and close in response to _
A
Predetermined chemical signals
6
Q
Some proteins only open when _ binds to its surface
A
Chemical released from another cell
(Like a hormone)
7
Q
Other protein pores open in response to change in _
A
Electrical voltage