These negative particles have almost no mass in an atom:
What are electrons ?
100
Because water releases a lot of heat when evaporated, we can cool off doing this:
What is sweating ? (or, getting out of shower, swimming pool)
100
Simple carbs or sugars are called _______saccharies (one-ring) and ______saccharides (two-ring)
What are mono- and di- ?
100
A protein is a chain of these subunits:
What are amino acids ?
100
On the pH scale, low numbers (toward 0) indicate strong ___________ while high numbers (toward 14) indicate strong ___________
What are acids and bases ?
200
Each element has a unique atomic number that represents the number of what particles ?
What are protons ?
200
Because solid water (ice) is less dense than liquid water, this won't happen to bodies of water in winter:
What is freeze solid ?
200
For short-term energy, plants store it in the form of __________, while animals store it in the form of __________
What are starch and glycogen ?
200
A protein that carries oxygen in your red blood cells is:
What is hemoglobin ?
200
Every organic compound has the element ___________,
which can form this many bonds with other atoms: ______
What is carbon and 4 ?
300
When atoms transfer electrons, they create opposite charges that attract each other in this type of bond:
What is an ionic bond ?
300
On the pH scale, pure water is the only substance that is exactly this:
What is neutral (or pH = 7) ?
300
Lipids do not have charges, so they are ____________ and will not mix with water, which is __________ and has charges
What are nonpolar and polar ?
300
A protein's shape can be changed (or denatured) by extreme ____________
What is temperature or pH ?
300
This type of protein helps speed up chemical reaction in your body:
What is an enzyme ?
400
When atoms share electrons, they create this strongest type of bond:
What is a covalent bond ?
400
Because water will dissolve most anything eventually, it is said to be this:
What is the universal solvent ?
400
If a fat has some double bonds in its carbon fatty acid chains, it is not filled with hydrogens, and will not easily turn into cholesterol. What kind of fat is this ?
What is unsaturated ?
400
A nucleic acid is made of these subunits:
What are nucleotides ?
400
This type of fat is worse for you because the carbon chains are filled with the maximum number of hydrogens
What is saturated fat ?
500
The weak attraction between polar molecules (water, for example) is this type of bond:
What is a hydrogen bond ?
500
When water sticks to itself, it is called _____________:
When water sticks to other surfaces, it is called ___________
What are cohesion and adhesion ?
500
Cellulose is a carbohydrate that makes up the cell _________; whereas lipids make up the cell ____________
What are wall and membrane ?
500
2 major examples of nucleic acids are __________ and ________
What are DNA and RNA (will also accept ATP)
500
Enzymes are not used up in reactions, because they are not either a ___________ (on left side of arrow) or a _________ (on right side of arrow).