Answer: possibly A
Explanation: B an C are not it because they are more like mutations. D humans don’t always become immune.
The Buckeye Leaf Characteristics are is it has 5 leaf stems, it is dark green, and has long thin leaves, and it is similar to a marijuana leaf
Only plants need cell walls, animals do not. Cell walls help maintain cell shape in plants, while the cell membrane helps support animal cells.
Answer:
B
Explanation:
Organic chemistry is defined as the study of carbon compounds.
Organic compounds were first thought to be compounds that could only be produced by living organisms. This theory was disproved when scientists synthetically made urea from ammonia in a lab.
Organic compounds are now known as compounds where carbon atoms are covalently bonded to other elements. This could be hydrogen or oxygen (in the case of lipids or carbohydrates) or nitrogen (in the case of amino acids).
