Examlex
Which of the following is a vertebrate homologue of the homeotic genes in Drosophila?
Ciliary Muscles
A ring of smooth muscle in the eye's middle layer that changes the lens shape for focusing.
Aqueous Humor
A clear, watery fluid located in the eye between the lens and the cornea, providing nutrients and maintaining pressure.
Vitreous Humor
A clear, gel-like substance that fills the space between the lens and the retina of the eye, helping it maintain its round shape.
Sebum
An oily substance produced by the sebaceous glands to moisturize and protect the skin.
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