Binding of a Signaling Molecule to Which Type of Receptor

question 22

Multiple Choice

Binding of a signaling molecule to which type of receptor leads directly to a change in the distribution of ions on opposite sides of the membrane?

• A) receptor tyrosine kinase
• B) G protein-coupled receptor
• C) ligand-gated ion channel
• D) steroid receptor

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Definitions:

Haploid Megaspores

Single-celled female spores produced by plants, which can develop into a gametophyte generation, part of the plant's reproductive process.

Angiosperms

Flowering plants that produce seeds enclosed within a fruit; they represent the most diverse group of land plants.

Mitosis

A process of cell division in eukaryotic cells where a single cell divides to produce two genetically identical daughter cells.