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AysviL [449]
3 years ago
8

Why is it incorrect to state that arteries carry oxygenated blood and veins carry deoxygenated blood?

Biology
2 answers:
kati45 [8]3 years ago
6 0

Answer:

Since pulmonary artery carries deoxygenated blood while pulmonary vein carries the oxygenated blood.

Explanation:

It is incorrect since it is not true for all the arteries and veins present in the body. The arteries such as the pulmonary artery deliver the deoxygenated blood from the right ventricle of the heart to the lungs. On the other hand, the pulmonary vein carries the oxygenated blood from the lungs to the left atrium of the heart. Therefore, arteries carry the blood away from the heart while the veins carry the blood towards the heart.

Gwar [14]3 years ago
3 0

Answer: It is incorrect because arteries carry deoxygenated blood and veins carries oxygenated blood.

Explanation:

Veins are blood vessels that carries blood to the heart. Most veins carries deoxygenated blood with the exception of pulmonary veins that carries oxygenated blood from lungs to the left atrium of the heart.

Arteries are blood vessels that carries blood away from the heart. Most arteries carries Oxygenated blood with the exception of Pulmonary arteries that are responsible for carrying deoxygenated blood from the right ventricle to the lungs. When the blood passes through the alveoli, it become oxygenated which is a process of respiration.

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Starch, cellulose, dextran, and glycogen are polysaccharides. How are they similar? To what are their different properties due?
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Answer:

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4. glycogen       α glucose           1-4 and 1-6              branched (shorter

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Explanation:

Starch: Consists of both branched amylopectin and unbranched amylose

Enzymes: Enzymes are specific as the gulcose molecule in starch is α and in cellulose is β which differ in their position of hydroxyl groups at anomeric carbon, their structures differ so they form different bonds. Active sites of enzymes can act only on specific bonds a sthey can fit to their specific substrates.

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