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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Description
DescriptionReflection is the change in direction of a wavefront at an interface between two different media so that the wavefront returns into the medium from which it originated. Common examples include the reflection of light, sound and water waves
Answer: physical changes
Explanation: Physical changes are changes that do not alter the identity of a substance.
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Answer:
Photosynthesis removes carbon from the atmosphere, and cellular respiration releases carbon from the atmosphere
Explanation:
This is the role of the reactions in the carbon cycle.
Hypothalamus, it is the control center for hormone secretion