Which statements about these carbohydrate derivatives are true?
a. n‑acetylneuraminic acid is a six‑carbon acidic sugar derivative.
b. n‑acetylneuraminic acid is a component of some cell membrane glycoproteins.
c. n‑acetylmuramic acid contains an n‑glycosidic bond.
d. n‑acetylneuraminic acid is a component of bacterial membranes, but not animal membranes.
e. n‑acetylmuramic acid is a component of the repeating peptidoglycan unit of bacterial cell walls.

Explain how the integumentary system plays a crucial role in the ability to maintain homeoestasis

Which best explains why an iceberg floats?

The diagram below shows a cell placed in a solution.a cell is shown placed inside a beaker. it is labeled cell. the solution inside the beaker is labeled 40% salt solution and the solution inside the cell is labeled 20% salt solution.only water is allowed to move in and out of the cell. what will most likely happen to the cell? it will expand as water moves out of it. it will shrink as water moves out of it.it will expand as water moves into it. it will shrink as water moves into it.