Chemistry basics
Water's wonder
Biomolecules
Nucleic acids
Enzymes and Reactions
100

The three subatomic particles that make up an atom

What are protons, neutrons, and electrons

100

An attractive force that holds molecules of the same substance together

What is cohesion?

100

A group of organic molecules that are hydrophobic 

what is a lipid 

100

Helix coils around proteins to form chromosomes 

What is DNA 

100
the specific reactant an enzyme acts upon 

What is a substrate

200

The number of protons in an atom's nucleus

What is the atomic numbe

200

An attractive force that holds molecules of different substances together.

What is adhesion

200
The four groups of macromolecules 

what are proteins, lipids, carbohydrates and nucleic acids 

200
Single strands of bonded nucleotides

What is RNA 

200

A substance that alters the speed of a chemical reaction without being consumed or changed in the process.

What is a catalyst

300

A chemical substance that results when two or more atoms join together chemically

What is a molecule

300

Any substance in which other substances are dissolved

What is a solvent

300

The difference between a saturated and unsaturated fatty acid molecule

What is a double carbon bond 

300

The three basic parts of a nucleotide

What are the phosphate group, the sugar and the base

300

The process in which the normal 3D shape of a protein is destroyed, usually due to high heat or extreme pH.

What is denaturation 

400

Calcium has an atomic number of 20 and an atomic weight of 40.  What is the breakdown of subatomic particles

what is electrons 20, protons 20 and neutrons 20
400

The property of water that allows small insects to walk on its surface without sinking.

What is surface tension (caused by hydrogen bonding/cohesion)

400

These large macromolecules are made of monosaccharide subunits and serve as a primary energy source for living organisms

what are carbohydrates 

400

The part of the nucleotide that is responsible for the way DNA stores its information

What is the nucleotide base?

400

The specific region on an enzyme where the substrate binds during a chemical reaction.

What is an active site 

500

An atom that has gained or lost electrons, giving it a net electrical charge.

what is an ion 

500

the ability of solid water (due to the crystal structure from hydrogen bonds as water freezes) to float above liquid water 

what is density 

500

20 amino acids only vary in

What is their R group (side group) 

500

Holds the two helixes in DNA together

What is hydrogen bonding 

500

How an enzyme affects the activation energy of a chemical reaction.

How is lowering the activation energy?