The answer is C- Excretory system. Hope this helps :)
The asnwer to this D. Cells are the basic unit of structure and function in organism.
Answer:
D) Chisel
Explanation:
chisel-A metal tool with a sharpened, beveled edge that used to cut and shape wood, stone, or metal
Answer:
This is a picture of an aminoacid chain
Explanation:
In an amino acid chain all amino acids ( for example GLY, VAL, or ARG) are linked by peptide bonds. Long chains, also called polymers, of amino acids are called proteins. The enlarged photo is an example of a structure of an amino acid. They have an amine (-NH2) and carboxyl (-COOH) functional group, along with a side chain (R group), specific to each amino acid.
