Relaying a Message from a Membrane Receptor to a Molecule

question 69

Multiple Choice

Relaying a message from a membrane receptor to a molecule that performs a specific function within a cell occurs when

• A) a signaling molecule binds to a protein that extends to the outside of the cell.
• B) a protein receptor on the interior of the membrane becomes bound by a signaling molecule.
• C) the extracellular matrix is moved to the inside of the cell.
• D) glycoproteins are recognized by other cells.

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Definitions:

Paired Structures

Structures in biology, architecture, or other fields that occur or function in pairs, often symmetrically.

Chromosomes

Thread-like structures located inside the nucleus of animal and plant cells, made of protein and a single molecule of deoxyribonucleic acid (DNA).

Basic Units

The fundamental components or building blocks of a system, structure, or theory.

Chromosomes

Structures within cells that contain DNA and carry genetic information for the development and functioning of living organisms.