![subject](/tpl/images/cats/biologiya.png)
A(n) is an injection of weakened or dead viruses or bacteria, or pieces of proteins from weakened or dead viruses or bacteria. it is given to the immune system of people "learn" how to defeat the real virus or bacteria. a) antibiotic b) antibody c) pathogen d) vaccine
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 23:30
What are some possible short and long term medical concerns for crew members on longer space exploration trips
Answers: 3
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 02:00
Choose one animal (cheetas) and research on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.
Answers: 3
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 04:00
The tubes transporting minerals and water upward are called ?
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 04:30
Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?
Answers: 3
You know the right answer?
A(n) is an injection of weakened or dead viruses or bacteria, or pieces of proteins from weakened o...
Questions
![question](/tpl/images/cats/fizika.png)
Physics, 07.07.2019 11:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 07.07.2019 11:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 07.07.2019 11:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 07.07.2019 11:00
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 07.07.2019 11:00
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)