The correct answer is A.
Animal cells do not have a cell wall.
A cell wall is the rigid, outermost covering of plant cells and is made up of cellulose. It is absent in animal cells. The cell wall is visible under a light microscope.
Animal cells are instead covered by a cell membrane. It is made up of lipids, proteins, and small amounts carbohydrates. It is a thin and delicate structure that can only be seen using an electron microscope.
Answer:
biotic and abiotic interactions
on gradpoint
Explanation:
In photosynthesis o2 is released while in cellular respiration o2 is taken.
Photosynthesis occur in the presence of sunlight while cellular respiration has no boundations
Both require o2.
Both leads to the formation of new substance.
Answer:
carbon dioxide then oxygen
Explanation:
Energy derived from food is used to create ATP, an energy-rich compound