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inn [45]
4 years ago
9

Proteoglycans are a group of macromolecules formed from: a. proteins and glycosaminoglycans. b. proteases and glycosaminoglycans

. c. proteins and glycogen. d. proteases and monosaccharides. e. proteins and polysaccharides.
Biology
1 answer:
Marianna [84]4 years ago
3 0

Answer:

Proteins and polysaccharides.

Explanation:

Proteoglycans are heavily glycosylated proteins. These proteoglycans are present in the extracellular matrix of the animal cells and acts as a lubricant for the cells.

Proteoglycans are proteins that are covalently bonded with muco polysaccharidse. Proteoglycans are formed by the bonding between proteins and carbohydrates ( polysaccharides). Proteoglycans can combine with collagen to form cartilage and may affect the stability of a protein.

Thus, the correct answer is option (E).

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Answer:

Option (3).

Explanation:

Teratogens may be defined as the chemicals that can cause birth defects in the fetus. Substances like alcohol, lead and nicotine acts as the main agents of tertaogens.

Shamona is drinking water that contains high level of lead. The element lead is harmful for the fetus. Even the small concentration of lead is enough to cause birth defects. The lead exposure can cause the abnormal development of brain and damages the brain of fetus. The fetus has low birth weight also.

Thus, the correct answer is option (3).

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4 years ago
Why is the alarm calling of the vervet monkey an example of advanced communication?
castortr0y [4]

Answer:

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Explanation:

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8 0
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How is parasitism different from commensalism
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7 0
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What is the function of the hydrogen ion concentration gradient?
padilas [110]

Answer:

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Explanation:

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Explanation:

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