The Part of the Eye That Regulates the Size of the Opening

question 54

Multiple Choice

The part of the eye that regulates the size of the opening for light coming into the eye is the:

• A)Cornea
• B)Pupil
• C)Iris
• D)Cone
• E)Lens

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Definitions:

RNA Anticodons

Sequences of three nucleotides in tRNA that are complementary to codons in mRNA, allowing for the addition of specific amino acids during protein synthesis.

Amino Acids

Organic compounds that combine to form proteins and are essential to many biological functions.

Ribosomes

Molecular machines within cells that synthesize proteins by translating messenger RNA into polypeptide chains.

mRNA Codons

Sequences of three nucleotides in messenger RNA that specify the addition of a particular amino acid to a growing polypeptide chain during protein synthesis.