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your answer
Light in space travels approximately 9.5 trillion km per year. Therefore, the images that astronomers see of distant objects actually show what those objects looked like long ago.
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Answer - Antibodies
Reasoning - Why antibodies is Important is because it's used by the immune system to help identify the pathogen like bacteria and viruses.
Confidently Correct
The lipids would flip and the heads become hydrophobic and the tails hydrophilic, hope this helps, good luck.