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Describe what happens to food as it moves through the digestive tract
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Biology, 21.06.2019 19:00
The following image is of a diatom. it lives in water and gets food from photosynthesis. it is encased in a hard shell made of something similar to glass or sand . a diatom is a(n) because it has a) multi-celled organism; specialized parts. b) vertebrate; a skeleton. c) insect; an exoskeleton. d) single-called organism; only one cell.
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How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?
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Biology, 22.06.2019 17:00
How many autosomes are in this human karyotype? how many sex chromosomes?
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Describe what happens to food as it moves through the digestive tract...
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