Signaling Molecules Can Affect a Cell from the Outside by Interacting

question 2

Multiple Choice

Signaling molecules can affect a cell from the outside by interacting with specific receptors that are located

• A) in the plasma membrane.
• B) within the cell's organelles.
• C) within chloroplasts.
• D) on the cell wall.

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Definitions:

Flexion

A movement that decreases the angle between two body parts, such as bending the elbow or knee.

Synchondrosis

A type of cartilaginous joint where bones are connected by hyaline cartilage, allowing for growth or slight movement.

Sternocostal

Pertaining to the region or articulations where the ribs meet the sternum, crucial for rib cage flexibility and resilience.

Intervertebral

Pertaining to the space or area between adjacent vertebrae in the spine.