Mediated Transport of Polar Molecules and Ions Across the Plasma

question 61

Multiple Choice

Mediated transport of polar molecules and ions across the plasma membrane utilizes a/n _____ carrier that will bind to the substance,effecting a conformational change that allows movement across the membrane.

• A)protein
• B)lipid
• C)porin
• D)enzyme

---

Definitions:

Type 1 Diabetes

An autoimmune disease where the pancreas produces little or no insulin, leading to high blood sugar levels.

Addison's Disease

A disorder in which the adrenal glands do not produce sufficient steroid hormones, leading to symptoms such as weight loss, muscle weakness, and low blood pressure.

Cushing's Syndrome

A condition caused by excess cortisol in the body, characterized by weight gain, thinning skin, and high blood pressure, among other symptoms.

Thiazolidinediones

A class of medication used to lower blood sugar levels in the treatment of type 2 diabetes by increasing insulin sensitivity.