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Viefleur [7K]
3 years ago
7

What structures serve as cells boundaries from its environment

Biology
1 answer:
MaRussiya [10]3 years ago
8 0
The structure that serves as the cell's boundaries from its environment is known as the CELL MEMBRANE.  It keeps the bad things from coming in, and releases waste out into the environment.

<span>Answer: cell membrane</span>
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Two nucleotides on the same strand form a <u>Phosphodiester bond </u>while two complimentary bases on opposite strands form <u>Hydrogen bonds</u>. An a-t base pairing forms <u>2</u> such bonds.

The constituent components that make up DNA's double-helix structure are known as nucleotides. Each nucleotide has a base in it. The four various colors you see here stand for the four different bases that might be used. Between nucleotides, a unique kind of covalent link known as a phosphodiester bond occurs. The two strands of DNA are formed by these phosphodiester linkages.

Hydrogen bonds are the bonds that develop between base pairs. Thymine and adenine make two hydrogen bonds, and guanine and cytosine form three hydrogen bonds. Therefore, we have concluded that hydrogen bonds are the type of binding that develops between base pairs in DNA to hold the two strands of a double helix together.

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1 year ago
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      Carotenoid is responsible for orange,yellow and red coloration of various vegetables such as pumpkin,carrot,tomato etc.

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