Biology, 25.08.2019 10:20 addisonrausch
Chicken pox is a virus that causes an itchy rash but typically does not have any major or lasting effects on an infected person. before 1995, chicken pox parties were popular. in a chicken pox party, healthy children were brought around children who were sick with chicken pox so that they would be exposed to the virus and their immune system would learn to fight it. a vaccine for chicken pox was developed in 1995, and chicken pox parties are now rare. what best describes how vaccines have advanced science?
a)vaccines are more effective on ethnicities that are highly susceptible to a disease.
b)vaccines can determine which genes can cause disease.
c)vaccines can minimize lifestyle choices that allow for greater exposure to a disease.
d)vaccines allow for building immunity without harmful exposure because not all viruses are safe to be exposed to.
Answers: 2
Biology, 21.06.2019 16:00
Which of the following is a main difference in cell structure between an onion cell and a human cheek cell? a. an onion cell contains one nucleus, whereas a human cheek cell contains two nuclei. b. an onion cell has a cell wall. c. a human cheek cell contains chloroplasts. d. there is no difference between an onion cell and a human cheek cell. you for your.
Answers: 2
Biology, 22.06.2019 03:00
What happens during interphase? (1)the nucleus grows to its full size. (2)the cell grows to its full size. (3)the nucleus divides into two nuclei. (4)the cell divides into two cells.
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Biology, 22.06.2019 03:00
The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates
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Chicken pox is a virus that causes an itchy rash but typically does not have any major or lasting ef...
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