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joja [24]
3 years ago
11

Each phospholipid is has a head that gives it a _____________ property that allows it to be attracted to water.

Biology
1 answer:
Vinil7 [7]3 years ago
3 0

Answer: Polar

Explanation:

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To test for protein, you added Biuret solution and
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Answer:

Water sample showing pink/purple color is an error.

Explanation:

Biuret is a blue color reagent that changes its color to pink/purple whenever it detects protein in a sample. Water don't contain proteins so it should not show pink/purple color instead it should maintain the blue color. Food items generally contain proteins so it show pink/purple color but it showed blue color.

Error might have caused by wrong marking of the samples, test tube marked with Water might contain a mystery food while Mystery food tube might contain water.

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Proliferation of lymphocytes occurs immediately after __________.
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Which of the types of T cells is responsible for destroying pathogens by punching holes in their cell membrane and by secreting
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Answer: Cytotoxic T cells

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Cytotoxic T cells destroy target cells by prearranged apoptoses.

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