An organism killed by oxygen is known as obligate anaerobes
The correct answer is :
Some substances but not other can cross the (blank ) membrane of a cell. The blank is to be filled with either cell or plasma. Cell membrane or plasma membrane is the living boundary of a cell which is made of phospholipid. It is a semi-permeable or differentially permeable membrane. It only allows small and non-polar molecules to pass through it. It prevents polar ions or molecules to pass through it
I believe the answer is D. A reactant that is catalyze a by an enzyme.
Answer:
D) the cell appears to be in a rectangular shape and has a cell wall
Explanation:
animal cells don't have cell walls
