![subject](/tpl/images/cats/biologiya.png)
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 01:30
Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 02:00
The united states produces an average of 429 billion pounds of food annually. about 133 billion pounds of that food ends up as waste.the percentage of food that the united states wastes each year is %.
Answers: 2
![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 05:40
Glycogen is an energy-storage molecule in humans. a hormone that is called insulin controls the storage of glycogen in the liver. insulin is made up of amino acids.
Answers: 2
You know the right answer?
Drag the tiles to the correct boxes to complete the pairs.
Match each scenario to the climatic fac...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 10.10.2019 00:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/health.png)
Health, 10.10.2019 00:50
![question](/tpl/images/cats/biologiya.png)
Biology, 10.10.2019 00:50
![question](/tpl/images/cats/mat.png)
Mathematics, 10.10.2019 00:50
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 10.10.2019 00:50
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/es.png)
Spanish, 10.10.2019 01:00
![question](/tpl/images/cats/istoriya.png)
History, 10.10.2019 01:00
![question](/tpl/images/cats/mat.png)
Mathematics, 10.10.2019 01:00
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 10.10.2019 01:00
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/pravo.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 10.10.2019 01:00