Answer: True
Explanation: I'm 1000% sure I know it's right.
Cells need carbon and hydrogen, and oxygen because they are essential to the cells survival and proper function through both animal cell systems, and plant cell systems
The second and fourth answer. :)
It’s the study of people and the outside world
Peptidoglycan is present in the cell wall of gram-positive bacteria. Bacteria are safeguarded by a robust cell wall comprising peptidoglycan. The layer of peptidoglycan in the cell wall of bacteria refers to a crystal lattice composition produced from linear chains of two alternating amino sugars, that is NAM (N-acetylmuramic acid) and NAG (N-acetylglucosamine). Peptidoglycans is one of the most essential sources of D-amino acids in nature.
