subject
Chemistry, 05.05.2020 00:17 bailey814

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

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 22.06.2019 13:00
6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.
Answers: 1
question
Chemistry, 23.06.2019 03:00
In november 1987, a massive iceberg broke loose from the antartic ice mass and floated free in the ocean. the chunk of ice was estimated to be 98 mi long, 25 mi wide, and 750 ft thick. a typical backyard swimming pool contains about 24,000 gallons of water. how many of these pools could you fill from the water in this iceberg? (assume the iceberg is a rectangular solid of the above dimensions and consists of water only). express answer in scientific notation.
Answers: 3
question
Chemistry, 23.06.2019 05:20
Deferentiate volatile and non volatile acid
Answers: 1
question
Chemistry, 23.06.2019 05:30
Stoichiometry- i need with 14 and 15! an explanation would be appreciated!
Answers: 1
You know the right answer?
1.
Viruses are not considered living things because they are not cellular and they .
Questions
Questions on the website: 13722363