Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Absorption of Glucose
Let us first consider the absorption of glucose from the gut lumen. (Refer to LSE-01, Units 7 and 8). The molecule involved in absorption of glucose is known as cotransporter because it couples the transport of a glucose molecule with that of a sodium ion. The energy needed is provided by the movement of sodium ion along its gradient. The cotransporter enables cells lining the lumen of intestine to absorb even quite small traces of glucose from food even though the epithelial cells may already have high concentrations of glucose inside them. Once inside the cell, the sodium ion is pumped out by ATP energised active transport and the glucose molecule is transferred to the blood stream through another transporter molecule, Glu T2, along its concentration gradient. Glu T2 transports glucose in proportion to the sugar concentration present in the blood. If more glucose is present in the blood, transport is slowed and if glucose content of blood is low then transport is accelerated.
Figure: Suggested mechanism for absorption of glucose. Na+ and glucose are transported together through carrier molecule or cotransporter located in the membrane. Inside the cell, sodium moves out by ATP pump and glucose is taken by a transporter molecule to the blood.
Experimental evidence shows that at least 4 transport processes for amino acids occur in the mammalian gut. Two for neutral amino acids, one for basic and one for acidic amino acid. Another separate transport system exists for dipeptides and tripeptides. Once inside the cell, these breakdown into constituent amino acids by intracellular peptidases. The sugar and amino acids reach the circulatory system from where similar mechanisms use the sodium gradient to transport amino acids and - glucose to the various tissues of the body.
What are the Symptoms of Brown-Sequard syndrome Symptoms of Brown-Sequard syndrome usually appear after an affected individual experiences a trauma to the neck or back. First s
Define Sample Titration for Estimation of Vitamin c in Lemon Juice? Cut the lemon into two halves with a stainless steel knife. Remove the seeds. Squeeze the juice from half a
Define about the Population Dynamics? In this unit, we are going to study about human population who eventually suffer from these problems. Why do we want to study about human
Explain saturated fatty acids Some of the more significant saturated fatty acids with their systematic and common names are listed in table, and some of the unsaturated fatty a
Anterior Leaflet Procedure: Repair is more difficult and less successful. Previously, a triangular excision of the anterior leaflet used to be done for prolapse and rupture of
A substitution mutation occurs in the GRE making it unrecongnizable to the glucocorticoid receptor. What impact would this have on the transcription of the gene downstream of this
Congenital disorders Poor fertilizing quality of semen could be due to impaired spermatogenesis. When such a condition is due to genetic congenital causes the treatment is not
Disadvantages of Protozoa
Why are the plants having single-seeded fruits and plants having fruits with surplus one seed? The Plants that produce single-seeded fruits, for instance, avocado and mango oft
Phylum Coelenterata characters anc classification
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd