Answer:
They once thought that humans came from monkeys and apes but now they think they come from a ancient ancestor not from the monkey or ape family.
Explanation:
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
Learn more : brainly.com/question/24278719
Answer:
One thing missing would be the units of the rates and measurments
The independent variable is the light intensity and the dependent is the rate of photosynthesis
Explanation:
I think that the traced the organisms back to their ancestors<span />
A hypothesis is a theory yet to be tested, or a "guess" that will be the basis of your excitement.