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valina [46]
3 years ago
7

In plants, tubes within the stems and leaves transport water throughout the plant. In a dog, which system parts would be similar

? A. arteries and veins B. small and large intestine C. urethra and bladder D. ligaments and tendons
Biology
1 answer:
Sloan [31]3 years ago
7 0
A. arteries and veins.

Just as tubes within the stems and leaves of plants transport water, arteries and veins within animals transport blood with the required nutrients for our bodies.
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Answer: Water is an excellent solvent meaning solutes will freely diffuse and be dispersed in a solution of water very quickly.

Explanation: Water has many properties that allow it to break up and dissolve many materials in addition to its natural ability to spread out and disperse a lot of solutes meaning that water might not literally chase milliosmoles, but it will move them around very quickly and efficiently.

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A nucleotide consists of a phosphate group, a pentose sugar, and a __________________, all linked together by covalent bonds. po
solong [7]

Answer:

d. nitrogen-containing base .

Explanation:

A nucleotide comprises a phosphate group, a pentose sugar and a nitrogenous base (nitrogen-containing base).

A nitrogenous base is a type of aromatic heterocyclic organic compound which essentially has nitrogen in it. The base can be a purine or pyrimidine. Purine nitrogenous bases are adenine (A) and guanine (G) while pyrimidine nitrogenous bases are cytosine (C), thiamine (T) and uracil (U).

Till the time a base is not attached to covalently linked phosphate group and a pentose sugar, it is known as nucleoside. But as soon as we attach any nitrogenous base to the nucleoside, a nucleotide is formed. So it means a nucleotide is nucleoside + nitrogenous base.

Examples are as under:

A nucleotide which has adenine as nitrogenous base is known as adenosine triphosphate (ATP) while a nucleotide which has guanine as nitrogenous base is known as Guanosine-5'-triphosphate (GTP).

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Answer:

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