51 cards
Glucose entry into most cells is driven by ____.
Normal glucose concentration in peripheral blood is ____ mM.
There are four glucose transporters, called ____.
Sodium-Dependent Glucose Transporters are called ____.
GLUT 2 is a ____-affinity transporter in hepatocytes and pancreatic cells.
GLUT 2 is a low-affinity transporter in ____ cells.
GLUT ____ is a low-affinity transporter in hepatocytes and pancreatic cells.
GLUT 4 is in adipose tissue and muscle and responds to the glucose concentration in ____.
GLUT 4 is in a____ and responds to the glucose concentration in peripheral blood.
GLUT ____ is in adipose tissue and muscle and responds to the glucose concentration in peripheral blood.
The K m of GLUT 2 is ____ mM.
The K m of GLUT ____ is ~15 mM.
The K m of GLUT 4 is ____ mM.
The K m of GLUT ____ is ~5 mM.
The K m of GLUT ____ is ~1 mM.
The K m of GLUT 1 & 3 is ____ mM.
GLUT 2 captures the excess glucose primarily for ____.
When the glucose concentration drops below the K m for the GLUT 2 transporter, ____
When the glucose concentration drops below the ____ for the GLUT 2 transporter, much of the remainder bypasses the liver and enters the per…
GLUT 2 follows first-order kinetics because ____.
In the β -islet cells of the pancreas, GLUT 2, along with the glycolytic enzyme glucokinase , serves as the ____ release.
In the β -islet cells of the pancreas, GLUT ____, serves as the glucose sensor for insulin release.
In the ____, GLUT 2, along with the glycolytic enzyme glucokinase , serves as the glucose sensor for insulin release.
GLUT 4 is ____-dependent.
____ stimulates the movement of additional GLUT 4 transporters to the membrane by a mechanism involving exocytosis.
Insulin stimulates the movement of additional GLUT ____ transporters to the membrane by a mechanism involving exocytosis.
Insulin stimulates the movement of additional GLUT 4 transporters to the membrane by a mechanism involving ____.
GLUT 4 is saturated when blood glucose levels are ____.
When a person has high blood sugar concentrations GLUT 4 follows ____ kinetics.
Although ____ levels of transport occur in all cells independently of insulin, the transport rate increases in adipose tissue and muscle wh…
Although basal levels of transport occur in all cells independently of insulin, the transport rate increases in a____ when insulin levels r…
Why do red blood cells extrude their mitochondria during development? Answer: ____.
In red blood cells, ____ represents the only energy-yielding pathway available.
Glycolysis is a ____ pathway that converts glucose into two pyruvate molecules.
Glycolysis is a cytoplasmic pathway that converts ____.
Glycolysis releases energy captured in ____ reaction.
If a cell has ____, the energy carriers produced in glycolysis (NADH) can feed into the aerobic respiration pathway to generate energy for…
If a cell has mitochondria and oxygen, the ____ pathway to generate energy for the cell.
If either mitochondria or oxygen is lacking, glycolysis may occur ____
Hexokinase is widely distributed in tissues and is inhibited by its product, ____.
____ is widely distributed in tissues and is inhibited by its product, glucose 6-phosphate.
Glucokinase is found only in ____ cells.
____ is found only in liver cells and pancreatic β -islet cells.
Glucokinase is induced by ____
Of all the enzymes the MCAT is most likely to test you on, the rate-limiting enzymes for each process are at the top of the list: Glycolysi…
Of all the enzymes the MCAT is most likely to test you on, the rate-limiting enzymes for each process are at the top of the list: Glycolysi…
Of all the enzymes the MCAT is most likely to test you on, the rate-limiting enzymes for each process are at the top of the list: Glycolysi…
Of all the enzymes the MCAT is most likely to test you on, the rate-limiting enzymes for each process are at the top of the list: Glycolysi…
Of all the enzymes the MCAT is most likely to test you on, the rate-limiting enzymes for each process are at the top of the list: Glycolysi…
Of all the enzymes the MCAT is most likely to test you on, the rate-limiting enzymes for each process are at the top of the list: Glycolysi…
Of all the enzymes the MCAT is most likely to test you on, the rate-limiting enzymes for each process are at the top of the list: Glycolysi…