hydrogen bonding
A water molecule is composed of what atoms?
One oxygen and two hydrogen.
What are the six primary elements that make up all living organisms?
Carbon, hydrogen, nitrogen, oxygen, phosphorus, and sulfur
Sugars and starch fall into which type of macromolecule?
What type of bond holds DNA strands together?
Hydrogen bonds
Which 2 macromolecules store energy to later power cellular processes.
Carbohydrates and Lipids.
What type of molecule has a positive and negative end that attract each other?
A polar molecule.
What is the abbreviation for the six primary elements?
CHNOPS
Nucleic acids are found in?
2 answers
DNA and RNA
What are the 2 ring purines?
Guanine and adenine
Which 2 macromolecules provide structural support to cells and tissues?
Proteins and lipids.
What is known as the universal solvent?
Water
Which of the 6 primary elements is a key component of water?
Hydrogen.
Glycerol and fatty acids make up which macromolecule?
What are the 3 parts of a nucleotide?
A phosphate group, a sugar, and a nitrogen base.
What type of bond links amino acids together?
Peptide bonds
Why is the density of ice less than liquid water?
The molecules form a rigid, crystalline lattice where they are further apart than in liquid, causing ice to float on water.
Which of the 6 primary elements is essential for respiration?
Oxygen
Fats, oils, waxes, and cell membranes fall into which type of macromolecule?
Lipids
What is the “molecule of heredity“?
DNA
What does a monomer have to go through to become a polymer?
Dehydration synthesis
Are hydrogen bonds between polar molecules hard to break or easy to break?
Easy to Break.
Which of the 6 primary elements forms the backbone of organic molecules?
Carbon
Are lipids hydrophobic or hydrophilic?
hydrophobic
In which direction do the sugar phosphate backbones run?
Antiparallel or 5’-3’, 3’-5’
What must be added for a polymer to break and what is this process called?
H2O And hydrolysis