In Many Animal Embryos,the Eye Is the First Organ to Develop.The

question 9

Multiple Choice

In many animal embryos,the eye is the first organ to develop.The Pax6 protein is important to eye development;its absence may prevent the formation of eyes in mice and humans.Pax6 probably acts as a(n)

• A)structural protein in cells of the retina.
• B)intercellular signal between retinal and lens cells.
• C)transcriptional factor for photoreceptors.
• D)extracellular matrix protein secreted by the retina.

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Definitions:

Premature Deaths

Deaths that occur before the average age of death in a certain population group, often due to preventable health issues or factors.

Biodiversity

The diversity of plant and animal life in a particular habitat, contributing to the health and function of ecosystems.

Pollutants

Substances introduced into the environment that cause harm or discomfort to organisms, including humans.

Climate Change

refers to significant changes in global temperatures and weather patterns over time, largely attributed to human activities.