Viruses

Viruses are ______ parasites

Viruses cannot be included in The Five Kingdom system because they are _______ and do not carry out any metabolic reactions on their own

The virus attaches to the host cell. Proteins on the virus match up with receptor sites on the host _______ or membrane

The new viruses are released when the host cell ______

Vaccines can be made from ______ and then used to treat the diseases they cause

The patient’s immune system responds by producing antibodies against the ______

Viruses can be ______ shaped, spherical or complex

Viruses are ______ parasites, meaning they have to live in or on a different organism, causing it harm, to survive

The virus forms a hole in the host cell and the viral nucleic acid is squeezed out of its ______ coat into the host cell

The viral nucleic acid uses the host’s organelles to produce new viral nucleic acid and protein coats Assembly New viruses are ______ inside the host cell

The human papillomavirus (HPV) that causes warts and cervical cancer has been used to create a vaccine that successfully prevents ______ cancer of this type

Viruses can cause disease and death to humans, animals, and ______