Biology, 17.01.2020 16:31 Emptypockets451
What leads to long-term immunity in mammals? . a. exposure to an antigen . b. action of an antibody . c. barriers
Answers: 2
Biology, 21.06.2019 14:20
Look at the figure above. which atmospheric layer has around 80 percent of the mass of the earth's atmosphere? (hint: it's where the clouds seen on earth are formed.) a. exosphere b. troposphere c. stratosphere d. thermosphere
Answers: 2
Biology, 21.06.2019 20:00
Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data
Answers: 1
Biology, 21.06.2019 22:00
Hey me with this one❤☺❤ how do you say that a cell also has a life span and death like an organism? give one example.
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Biology, 22.06.2019 00:40
There is a liquid capsule inside a cup full of liquid. the cup full of liquid has salt in it and the liquid capsule has no salt in it. in which direction will the solvent flow? a. the salt does not have to move b. from the capsule to the larger cup c. equally between the capsule and the cup d. from the larger cup to the capsule
Answers: 1
What leads to long-term immunity in mammals? . a. exposure to an antigen . b. action of an antibod...
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