3. In the image below, identify the primary active transporter and the secondary active transporter. Apical surface Basal surface Intestinal Blood lumen Microvilli 2K+ Epithelial cell O 3 Na* 00 Na*K* ATPase 2 Na* 00 Glucose Glucose Nat-glucose symporter (driven by high extracellular [Na 1) Glucose uniporter GLUT2 (facilitates downhill efflux) 141 ngeh ateyeven :3 m Comry

Biochemistry
9th Edition
ISBN:9781319114671
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Chapter1: Biochemistry: An Evolving Science
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3. In the image below, identify the primary active transporter and the secondary active transporter.
Apical surface
Basal surface
Intestinal
Blood
lumen
Microvilli
2 K*
Epithelial cell
3 Nat
00
Na*K+
2 Na+
ATPase
Glucose
Glucose
Glucose uniporter
GLUT2 (facilitates
downhill efflux)
Nat-glucose
symporter
(driven by high
extracellular
[Na*1)
Figure 11-41
Lehinger
2017WH freeran and Compay
ncples of Bincheminy Seventh Edtion
4. The actions of cardiac glycoside drugs are not confined exclusively to heart tissue. How would ingestion of a
cardiac glycoside affect uptake of glucose in the intestine? Refer to actions of the cardiac glycoside on the
system in the image above in your answer.
5. Calculate the free energy change associated with moving glucose into the cell. The experimental conditions
are as follows: 37 °C, 5 mM extracellular glucose, 0.4 mM intracellular glucose. Show all work.
Transcribed Image Text:3. In the image below, identify the primary active transporter and the secondary active transporter. Apical surface Basal surface Intestinal Blood lumen Microvilli 2 K* Epithelial cell 3 Nat 00 Na*K+ 2 Na+ ATPase Glucose Glucose Glucose uniporter GLUT2 (facilitates downhill efflux) Nat-glucose symporter (driven by high extracellular [Na*1) Figure 11-41 Lehinger 2017WH freeran and Compay ncples of Bincheminy Seventh Edtion 4. The actions of cardiac glycoside drugs are not confined exclusively to heart tissue. How would ingestion of a cardiac glycoside affect uptake of glucose in the intestine? Refer to actions of the cardiac glycoside on the system in the image above in your answer. 5. Calculate the free energy change associated with moving glucose into the cell. The experimental conditions are as follows: 37 °C, 5 mM extracellular glucose, 0.4 mM intracellular glucose. Show all work.
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