Answer:
A.
Explanation:
Because the trait undergoes a secondary loss; it has been there but it doesn't always appear in all generations.
Answer:
because they can donate blood to anyone
Explanation:
What are the answer choices?
Answer:
NAG, short amino acid chains,NAM, lipid and proteins.
Explanation:
The cell wall is the outer covering of the cell lies on the adjacent of the plasma membrane. The cell wall is present in the archaea, bacteria, plants, fungi and absent in the animal cells.
As the inofrmation given in the question, the cellwall consists N-acetylmuramic acid (NAM) and N-acetylglucosamine (NAG). These sugar residues helps n the cross linking with the proteins. The lipids and proteins are the important component of the cell membrane that maintains the shape and function of the cellwall.
Thus, the answer is NAG, short amino acid chains,NAM, lipid and proteins.
