Answer:
2)to sometimes store nutrients and water
3)to hold the plant up
4)help pass water and nutrients from the roots to the rest of the plant
Explanation:
Bacterial cell membranes do not have cholesterol. The principal function of the cell membrane is to regulate the substances that enter the cell and the substances that move out of the cell. Cholesterol is a fat like substance that is found in all human cells; it is an important constituent of the cell membrane and it enhances the fluidity of the cell. Bacterial have plasma membrane but the membrane do not contain cholesterol.
Answer:
The cells adapted by modifying their shapes.
Explanation:
The larger the cell, the smaller the surface / volume ratio. This can be a problem because it causes the cell to have difficulty in absorbing nutrients, in addition to having difficulties in releasing substances that are not relevant inside. To circumvent these difficulties and have a good functioning, many large cells adapt by modifying their shapes to increase their surface. In this way many large cells are presented with a thin and elongated shape, others create several appendages on their surface.
The products are C6H12o6 and 602
Colevent chemical bonds invole the sharing of valence electrons between two atoms, in contrast to the sharing of electron in an ionic bond that helps create molecules.
that's what I have for my notes, I hope this helps!
