3.1 Biological Elements Flashcards
1
Q
What elements are present in carbohydrates?
A
Carbon, Hydrogen Oxygen
2
Q
What elements are present in lipids?
A
Carbon, Hydrogen, Oxygen
3
Q
What elements are present in protein?
A
Carbon, Hydrogen, Oxygen, Nitrogen
+ sulfur (sometimes)
4
Q
What elements are present in Nucleic acids?
A
Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorus
5
Q
What is the difference between molecules and compounds?
A
Molecules - contain more than one atom and can be either elements (O2
, N2) or compounds which comprise of more than one molecule (C6H12O6)
Compounds - contain either ionic bonds between elements (NaCl) or covalent bonds (C6H12O6). Ionic compounds are NOT molecules
