During the Translation of MRNA Molecules, the New Polypeptides Are

question 30

Multiple Choice

During the translation of mRNA molecules, the new polypeptides are often directed to specific parts of the cell by the presence or absence of short sequences of amino acids called signal peptides. Which of the following would you expect to find in the polypeptide that will eventually fold to become an ion channel protein?

• A)no signal peptide
• B)an amino terminal signal peptide
• C)an internal signal peptide
• D)a signal anchor peptide

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Definitions:

DNA

DNA, a molecule responsible for carrying the genetic blueprints essential for the growth, development, operational processes, and reproductive functions in all recognized living beings and several viruses.

Molecule

The smallest unit of a chemical compound that can exist; composed of two or more atoms bonded together.

Genome

The complete set of genes or genetic material present in a cell or organism.

Adoption Studies

Research studies that compare adopted children to their adoptive families and biological families to understand the influence of genetic versus environmental factors on human development.