Each Molecule of DNA Is Called A(n)

question 190

Multiple Choice

Each molecule of DNA is called a(n) :

• A) chromosome.
• B) RNA.
• C) gene.
• D) zygote.

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Definitions:

Cartilaginous Fishes

A class of fishes that have skeletons made entirely out of cartilage, rather than bone.

Jawless Fishes

A group of fish that lack a true jaw, represented by modern lampreys and hagfishes, belonging to the superclass Agnatha.

Myxini

A class of jawless marine animals known as hagfishes, characterized by their slimy skin and primitive features.

Petromyzontida

An order of jawless fish, also known as lampreys, characterized by their eel-like appearance and parasitic or non-parasitic lifestyle.