How does the lipid solubility affect the permeability

Assignment Help Biology
Reference no: EM13665284

1) How does the lipid solubility affect the permeability of solute through biological membranes?

2) How does the molecular weight affect the permeability of solute through biological membranes?

3) Define the process of osmosis, osmotic pressure, semipermeable membrane.

4) What is the approximate osmolarity of the extracellular fluid? Of the intracellular fluid?

5) Differentiate the process of diffusion and active transport. Identify the different forms of active transport.

6) Describe the characteristics of protein-mediated transport.

7) Why will inhibition of ATP synthesis by a cell lead eventually to a decrease and, ultimately, cessation in secondary active transport?

8) Explain: if two solutions with different osmolarities are separated by a water-permeable membrane, why will a change occur in the volumes of the two compartments if the membrane is impermeable to the solutes, but no change in volume will occur if the membrane is permeable to the solute?

9) Why patients with diabetes can experience significant changes in blood osmolality?

10) Give some examples of diseases that are related to defects in ion transport across plasma membrane.

11) Describe the significance of rehydration therapy. Why absorption of glucose in lining of intestines increases absorption of sodium and water?

12) Briefly describe the danger of intravenous infusion of hypertonic solutions. How cells can use intracellular mechanisms to prevent loss of water. Use the example of inositol synthesized by brain cells.

13) Explain the difference between osmolality and tonicity. How tonicity can change cell volume? How infusion of hypertonic solution to diabetic patients can affect their cell volumes?

14) Briefly describe the concept of steady state in a regular body cell. What is a role of Na+/K+ - ATPase? How this state can be changed in patients with hypokalemia?

15) What ions are present in highest concentration inside of most body cells? How intracellular concentration of Calcium is regulated?

16) What is a mechanism of digitalis action on cardiac myocytes, knowing that digitalis (digoxin) is used to increase cardiac contractility?

Verified Expert

Reference no: EM13665284

How the information gleaned will support your career

Explain your proposed approach for conducting research necessary to develop quality deliverables and explain how the information gleaned will support your career development

Cycle of poverty

The first paragraph should describe, including numerical information, the standard of living in your chosen undeveloped or developing country. Compare it to equivalent values

How rna polymerases differ in their cellular location

Three different RNA polymerases are found in all eukaryotic cells, and each is responsible for synthesizing a different class of RNA molecules. How do the classes of RNAs synt

How would this affect the way those two traits

If two genes representing different traits were located on the same chromosome (eg. the genes for tongue rolling & earlobes were located on the same chromosome "stick"), how

Path of inhaled air molecule-cardiovascular disorders

Major cardiovascular disorders include alll of the following EXCEPT. Trace the path of an inhaled air molecule. The exchange of gases between the lungs and the bloodoccurs by

Using the calibrated ocular micrometer

you viewed a cell under medium power (15x objective) and, using the calibrated ocular micrometer, you determined that is was 23micrometers in length. You then draw a diagram o

Contains more energy stored in its chemicalbonds

Which molecule contains more energy stored in its chemicalbonds? Rank in order of decreasing chemicalenergy content: a fatty acid molecule, a molecule ofglucose, a molecule

Identify the role certain compounds to neuron function

What would be produced first, a leaf primordium or its trace? Explain. Identify the role certain compounds to neuron function. Which phylum do you think an anmal with two body

Reviews

Write a Review

 
Free Assignment Quote

Assured A++ Grade

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!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd