Calmodulin Exhibits All of the Following Characteristics EXCEPT

question 31

Multiple Choice

Calmodulin exhibits all of the following characteristics EXCEPT:

• A) its conformation is sensitive to Ca⁺⁺ binding.
• B) it contains a basic amphiphilic alpha helix which interacts with target proteins.
• C) it modulates the activity of many protein kinases.
• D) it contains one or more helix-loop-helix motifs (EF-hands) which bind the Ca⁺⁺ ion.
• E) all are characteristics.

---

Definitions:

Diffusion

Diffusion is the passive movement of molecules or particles from regions of higher concentration to regions of lower concentration until equilibrium is reached.

Hypertonic

A hypertonic solution has a higher concentration of solutes compared to the inside of a cell, causing water to move out of the cell and leading to cell shrinkage.

Hypotonic

Solution that causes cells to swell.

NaCl

Sodium chloride, commonly known as table salt, is an ionic compound with the chemical formula NaCl, essential for life in animals and plants.