During What Stage of Development Do Homeotic Genes Begin to Establish

question 3

Multiple Choice

During what stage of development do homeotic genes begin to establish cell fate?

• A) formation of body axes
• B) segmentation of the body
• C) determination of structures within the segments
• D) cell differentiation

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Definitions:

Resting Membrane Potential

This refers to the voltage difference across the membrane of a resting (non-conducting) neuron, maintaining a balance of ionic gradients.

Plasma Membrane

The lipid double-layer that enwraps the cell's cytoplasm, directing the flow of substances into and away from the cell.

Sodium-Potassium Pump

A membrane-bound enzyme complex that exchanges sodium ions for potassium ions across the plasma membrane of cells, crucial for cellular function.

Requires ATP

Describes processes or actions in cells that need adenosine triphosphate for energy.