1. Viruses are not considered living things because they are not cellular and they __________. do not have proteins do not have genetic material must have host cell to reproduce can't mutate or change

1.

Viruses are not considered living things because they are not cellular and they __________.

do not have proteins
do not have genetic material
must have host cell to reproduce
can't mutate or change their DNA
2.
HIV wipes out a person’s immune system by attacking what types of cells?

B cells
skin cells
helper T cells
red blood cells
3.
People can have the rhinovirus more than once because __________.

they have no while blood cells
it hides then re-attacks later
the body can't make antibodies
there are many types of the virus

1 Answer

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

0 Comments

Please log in or register to add a comment.

Other Questions