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stepan [7]
3 years ago
11

What are the two components of science?

Biology
1 answer:
s344n2d4d5 [400]3 years ago
5 0
Physical and biology
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What is plant "blinking"? Why do plants do this?
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BLINK protein speeds up stomatal movements in response to light fluctuations resulting in improved plant growth and water use.

Plants can't move, so their “blinking” helps protect them from burning or bleaching when they are in bright sun.

I'm not sure if the first part is right, but I do know the second part is.  

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3 years ago
Example of active immunity
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Example of natural active immunity is fighting off cold and artifical active immunity is building up a resistance to a disease due to immunization and allergic reaction is an response to antigen resulting from active immunity

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Why is urine more concentrated in the morning?
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3 years ago
why are Gram-positive bacteria are more resistant than Gram-negative bacteria to antimicrobials that disrupt plasma membranes
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Gram positive bacteria are more resistant than gram negative bacteria to antimicrobials that disrupt plasma membranes because they have cell wall that is made up of a thick layer of peptidologlycan that contain teichoic and lipoteichoic acid to peptidoglycan.

Explanation:

Gram positive bacteria are bacteria that have thick wall made up of peptidoglycan and have no lipid membrane while gram negative bacteria are bacteria that have thin cell wall composed of peptidoglycan with lipid membrane.

Gram positive bacteria is resistant to antibiotics because of their thick cell wall composed of peptidoglylcan which contain teichoic and lipoteichoic acid , this help strengthen the plasma membranes and make them not to be attached by antimicrobial compared to gram negative that lack this.

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What best determines the health of a lake used as a source of freshwater?
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