From the options, the true statements about glycocalyx are : ( 1 ) and ( 3 )
- All animal cell have a glycocalyx ( 1 )
- The glycocalyx helps one cell adhere to another ( 3 )
Glycocalyx is a layer of macromolecules attached to the cell membrane of cells. they perform several functions like protecting the cell from the entrance of pathogens and also providing a medium for cell to cell interaction.
Glycocalyx are found in cells of living organisms, and they are made up of glycosaminoglycans, proteoglycans and glycoproteins as well. hence they are not comprised mostly of proteins.
Hence we can conclude that the true statements about glycocalyx are : All animal cell have a glycocalyx and the glycocalyx helps one cell adhere to another
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I think A. It’s the only one that’s really makes since for this question.
Answer:
B, deoxyribose means it has fewer oxygen molecules than ribose, choice B has fewer oxygens.
Explanation:
Dna stands for deoxyribose
According to the repost made by US Surgeon General
released in 2014, a total of 7,787,000 people died from smoking induced
cardiovascular disease from 1965 to 2014. Cigarette smoking and second-hand
tobacco smoke has been causally linked to cardiovascular diseases.