Which category of macromolecule aids in digestion?
Proteins - Enzymes digest our food into usable monomers
DRAW at least three water molecules. Include partial charges and label the *two* types of bonds
Covalent bonds are lines (electrons shared). Hydrogen bonds are dotted (attraction NOT a bond)
Which MOLECULE separates the watery cell interior from the watery structure outside the cell?
Phospholipid - the bilayer forms a nonpolar barrier around the cell
How do ions form?
Atoms take or give electrons. Aka an imbalance of positive protons and negative electrons
Which category of molecule forms a protective, waxy layer over leaves?
Lipids
Which category of molecule is our main source of energy?
Carbohydrates
What is the name for the dense, positively charged center of the atom?
The nucleus
DRAW and NAME the monomer of carbohydrates
Monosaccharide
Which macromolecule(s) have nitrogen?
Proteins and Nucleic Acids
How can you remember the structure of a nucleotide?
Pool (phosphate) - House (pentose sugar) - Garage (base)
Macromolecules are compounds with what type of bond?
Covalently bonded compounds
Compare AND contrast polar and nonpolar bonds
Both caused by shared electrons. Polar = unequally, nonpolar = equally shared
How is a molecule different from an atom?
A molecule is many atoms bonded together.
Which macromolecule is the "workhorse" of the cell?
Proteins
Compare AND contrast DNA and RNA
Both nucleic acids. DNA double stranded, A, T, C, G. RNA single stranded, A, U, C, G.
How are nucleic acids related to proteins?
Nucleic acids provide the instructions to create proteins
