Which of the Following Is Not True Regarding the Human

question 27

Multiple Choice

Which of the following is not true regarding the human hepatitis D virusoid?

• A)Its genome is a circular,single-stranded RNA molecule.
• B)It needs a helper virus to infect host cells.
• C)It produces one protein called the delta antigen.
• D)All of the statements are true.

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Definitions:

Tyrosine Kinase

An enzyme that phosphorylates the tyrosine part of proteins.

G Protein

A group of proteins that act as molecular switches across cell membranes, involved in transmitting signals from stimuli outside the cell.

Signaling Molecule

A molecule such as a hormone, local regulator, or neurotransmitter that transmits information when it binds to a receptor on the cell surface or within the cell.

Ligands

Molecules or ions that bind to a central metal atom to form coordination compounds, affecting the properties and behaviors of that metal.