Biology, 31.07.2019 23:00 kelseydavid69
Part a - bacterial cell wall peptidoglycan is a polymer of millions of n-acetylglucosamine (nag) and n-acetylmuramic acid (nam) sugars based on glucose molecules linked together in long chains cross-braced with four amino acids that link individual polymer chains together in a chain-link fence pattern. layers of cross-braced nag and nam sheets are stacked vertically and held together by proteins with lipid anchors attached to the cell's cytoplasmic membrane to form a scaffold of sugars and proteins that is able to hold the bacterial cell's shape, even in response to extreme osmotic pressures. how would you expect a microbiology student to be able to describe the composition of peptidoglycan? what is the composition of the peptidoglycan layers found in the cell wall of bacteria?
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Biology, 21.06.2019 17:40
4the indian leaf butterfly has traits that allow it to resemble a leaf. the bright colors of the monarch butterfly indicate that the butterfly tastes bad and can be poisonous. how does the appearance of these butterflies them to survive? f the indian leaf butterfly is able to avoid predators while the monarch butterfly warns predators away. g. the indian leaf butterfly frightens predators away while the monarch butterfly poisons predators before they can eat it. h both butterflies rely on camouflage to avoid predation. j both butterflies cooperate with one another to avoid predation.
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Biology, 22.06.2019 10:30
Which of these is a provisioning service people get from the ocean
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Biology, 22.06.2019 13:00
Plant species a has a diploid number of 12. plant species b has a diploid number of 16. a new species, c, arises as an allopolyploid from a and b. the diploid number for species c would probably be a) 12. b) 14. c) 16. d) 28. e) 56.
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Part a - bacterial cell wall peptidoglycan is a polymer of millions of n-acetylglucosamine (nag) and...
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