Which of these examples is NOT made up of proteins?
hair
fingernails
enzymes
cellulose
Nucleic Acids are important for life because they __________________________.
Store genetic information/hold instructions for making proteins
Olive Oil would be an example of what type of macromolecule?
Lipid
A measurement of how difficult it is to stretch or break the top layer of a liquid.
Surface Tension
Describe the significance of water having a high heat capacity
allows for our bodies to avoid drastic changes in temperature and allows our bodies to cool off when sweating; ultimately allows our bodies to maintain homeosta
Energy input that is needed for a reaction to begin is called _____________________.
activation energy
Which of the following would be an example of a base?
All of these
Shampoo
Ammonia
Drain Cleaner
____________ are special ___________ that speed up or slow down reactions.
Enzymes, lipids
Proteins, Triglycerides
Triglycerides, lipids
Enzymes, proteins
Chemical bond formed when electrons are transferred from one atom to another
ionic bond
What happens to the electrons in a COVALENT bond?
electrons are shared
Which of the following would NOT be an example of a carbohydrate?
glucose
none of these
sucrase
fructose
A substance with a pH of 13 would be considered a(n) ____________________.
weak acid
strong acid
strong base
weak base
mixture of water with an non-dissolved material
suspension
If a substance has a pH of 6, this substance would be considered a(n) ________________.
acid
elements or compounds that participate in a chemical reaction
reactant
reactant of an enzyme-catalyzed reaction
substrate
Water sticking to its container would be an example of _____________.
cohesion
adhesion
heat of vaporization
heat capacity
A protein catalyst that speeds up the rate of specific biological reactions is called a(n) __________________.
enzyme
Tomato, lemon juice, & apple cider vinegar would all be examples of _________.
acids
Glycogen has a ratio of 1 carbon for every 2 hydrogen, and one oxygen- it is an example of a ____________.
carbohydrate
Carbohydrates are made up of what three elements?
Carbon, Hydrogen, Oxygen
Water "sticking" to other water molecules would be an example of ______________________.
capillary action
heat of vaporization
adhesion
cohesion
A type of bond between atoms in which electrons are shared.
Ionic Bond
none of these
Covalent Bond
Metallic Bond
A(n) _______________ is a substance that speeds up the rate of a reaction.
monosaccharide
polymer
amino acid
catalyst
In macromolecules, _____________ determines their function
Structure
In a solution, what is the name for the substance that DOES the dissolving?
Solvent
small chemical unit that makes up a polymer
monomer
Hemoglobin is an example of a _______________.
protein
A weak attraction between a hydrogen atom and another atom is called a _______________.
Hydrogen Bond
______________ are weak acids or bases that help neutralize other acids or bases.
Buffers
Enzymes act by ____________ the amount of activation energy needed in a reaction.
Lowering
What are the two parts of a solution?
Solute & Sovlent
_____________ are the building blocks of proteins.
Amino Acids
Atomic number is equal to ______________________
the number of protons