Group( D )

Many viruses can be stabilized by salts in concentration of ----------

----------- in which the capsomeres are arranged in spiral from around nucleic acid that appears rod-shape (tubular shape): مهمه

The envelope of certain viruses may be covered with projecting spikes (glycoproteins), which called ---مهمه

-------- an example of complex symmetry. مهمه جدا

is cubic multiple faces(polyhedron), in which the capsomeres are arranged in pattern consisting of multiple triangular faces?مهمه

Viruses lack an essential organelles which is important for all living cells EXCEPT:- مهمه

Enveloped viruses have the following components: -مهمه

The genetic material of the virus surrounds a protein coat called ………وزاري

Virus nucleic acid is encased in a:وزاري

What is another name for a nonenveloped virus?وزاري

Which of the following has no effect on viruses?وزاري

The virus particle does not confirm either cubic or helical symmetry:وزاري

The complete infections unit of virus particle called-------?وزاري

A structural component that is found in all viruses is:وزاري

Virus possess the following EXCEPT:وزاري

Destroys viral infectivity by reacting with nucleic acid?وزاري

--- can be used to distinguish enveloped viruses from naked viruses? محاظرة الأولى✨ ، وزاري

The viral envelope of poxvirus is made of: - مهمه

Ball of knitting wool found in --------------- مهمه

.................used as a live-virus vaccine against smallpox.