The name Constanza is of Spanish origin. The meaning of Constanza is steadfast. Constanza is generally used as a girl's name. It consists of 9 letters and 3 syllables and is pronounced Con-stan-za.
The above answers are quite right. The protein capsid of naked viruses is less susceptible to environmental conditions (lipid solvents, pH, temperature...) than enveloped viruses because the envelop is made in part of phospholipids. Once the envelop is lysed, the virus loses its functional receptors and is not still able to infect susceptible cells. ...
A type of virus that has RNA instead of DNA as its genetic material. It uses an enzyme called reverse transcriptase to become part of the host cells' DNA. This allows many copies of the virus to be made in the host cells. The virus that causes AIDS, the human immunodeficiency virus (HIV), is a type of retrovirus.hen a retrovirus infects a cell, it makes a DNA copy of its genome that is inserted into the DNA of the host cell. There are a variety of different retroviruses that cause human diseases, including the common cold, some forms of cancer, and AIDS.