Biology, 30.06.2021 02:10 sairaanwar67
—Recognizes previous antigens so that the immune response will be much faster in case of a second infection
Answers: 2
Biology, 21.06.2019 14:30
What food can provide the body with a quick source of the energy needed to carry out cell functions (a) whole grain bread (b) ground hamburger (c) vegetable oil (d) whole milk
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Biology, 22.06.2019 03:30
Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. but in 1938, a live coelacanth was discovered off the coast of south africa that was compared to the fossil record and found to be the same species what goal of science does this discovery represent
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Biology, 22.06.2019 18:30
What is point source pollution of an aquatic ecosystem? a) pollution of freshwater sources b) pollution from many sources that combine into one c) pollution that occurs over a wide area; water that runs off from fields, parking lots, and other land surfaces d) pollution that can easily be identified with a single discharge source, such as an open pipe which drains into a body of water
Answers: 3
Biology, 22.06.2019 19:00
What is the next step in muscle contraction after the actin changes shape
Answers: 2
—Recognizes previous antigens so that the immune response will be much faster in case of a second in...
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