Topsoil is the most fertile soil layer for plants.
Enzymes are made of strings of amino acids chemically bonded to one another. These bonds give each enzyme a unique structure, which determines its function. They mostly break down carbohydrates and fats. Once a protein source reaches your stomach, hydrochloric acid and enzymes called proteases break it down into smaller chains of amino acids. Amino acids are joined together by peptides, which are broken by proteases.
The answer is b) "No known sexual mode of spore formation
The nucleus? budding is when two cells reproduce asexually
The statement is false, A cell is to tissue as an organ is to its organ system, not the other way around. as multiple cells make up tissue, organ systems do not make up an organ.
