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sleet_krkn [62]
3 years ago
5

Which statement best describes a function of the proteins embedded in the plasma membrane of cells? *

Biology
1 answer:
svetlana [45]3 years ago
3 0

Answer:

They selectively allow certain particles into and out of the cell

Explanation:

Proteins in the cell membrane allow some particles to enter and exit the cell. This type of passive transport is called facilitated diffusion.

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Which of these best explains the ability of small insects to walk on the surface of still water?
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Surface tension  is caused by the attraction of the particles in the surface layer by the bulk of the liquid. 
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Which of the following is the most characteristic feature of clastic
marusya05 [52]

The most characteristic feature of clastic  sedimentary rocks is "stratification".

<u>Answer:</u> Option A

<u>Explanation:</u>

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3 years ago
6. what is the approximate weight in kd of the band that is unique to crab muscle protein and is not found in abundance in fish?
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An incredibly complex, naturally occurring molecule known as a protein is made up of amino acid residues connected by peptide bonds. All living things contain proteins, which are the building blocks of numerous vital biological substances like enzymes, hormones, and antibodies.

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just olya [345]

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