Why Is It Thought That Certain Primitive Fish Diverged from Vertebrates

question 29

Multiple Choice

Why is it thought that certain primitive fish diverged from vertebrates before the globin gene was first duplicated?

• A)The fish are very old.
• B)The fish do not have any hemoglobin.
• C)The hemoglobin of the fish consists of 8 polypeptide subunits.
• D)These fish have only one globin gene instead of multiple globin genes, suggesting that they diverged from other vertebrates before the first duplication of the globin gene.
• E)These fish have four globin genes instead of a single globin gene, suggesting they diverged from other vertebrates before the first duplication of the globin gene.

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Definitions:

Face Value

The nominal value printed on a financial instrument like a bond or currency note, representing its legal value.

Compound Interest

Interest on a loan or deposit calculated based on both the initial principal and the accumulated interest from previous periods.

Initial Deposit

The upfront payment made to open an account or initiate an investment, serving as the first financial transaction in a series.

Infinite Geometric Series

A series of numbers in which the ratio of each term to its preceding term is constant, and the number of terms is infinite.