Elements
Bonding
All about Water
Reactions
DNA
100
This has mass, occupies space, and is composed of atoms.
What is matter?
100
This elements symbol is O.
What is oxygen?
100

Property of water that helps us maintain our body temperature.

What is Heat Storage?

100
The energy needed to get a reaction started.

What is the activation energy?

100

DNA stands for

What is Deoxyribonucleic Acid?

200

Subatomic, charged particles located in the nucleus of the atom.

What are protons?

200
Type of bond where electrons are shared.
What is a covalent bond.
200
Property of water that requires a lot of energy (heat) to break H-bonds; sweating is an example.
What is Heat of Vaporization.
200

Becomes this when an atom loses an electron.

What is a positively charged ion?

200

What determines the "morse code" of DNA.

What is the nitrogenous base, or nucleotide?

300
Subatomic particle with no charge, located in the nucleus of an atom.
What is a neutron?
300
Bond type formed between Na+ and Cl-.
What is an Ionic Bond?
300
Property of water that makes many substances soluble in water.
What is (high) Polarity?
300

Considered the universal solvent.

What is water?

300

The type of bonding holding DNA's double helix together.

What is Hydrogen bonding?

400
Name of atom that has 6 protons, 6 neutrons, and 6 electrons; has 4 electrons in it's outer shell.
What is carbon?
400

A lipid made from fatty acids that have no double bonds between carbon atoms.

What is a saturated fat?

400
Measurement of H+ or OH- ions; ranges from 0-14.
What is pH?
400

The reactant an enzyme acts upon.

What is the substrate?

500
Same atomic number, but a different atomic mass (for example C-12, C-14).
What is an isotope?
500
Very special type of bonding BETWEEN water molecules?
What is a Hydrogen Bond?
500
Special type of bond formed in a water molecule.
What is a Polar Covalent Bond?
500
An important buffer in human blood.
What is hemoglobin?
600
The atomic NUMBER of an atom that has 6 protons, 6 neutrons, and 6 electrons.
What is 6?
600

Two different molecules that have the same chemical formula.

What are isomers?

600

An attractive force that holds molecules of the same substance together.

What is cohesion?

600

How the 20 amino acids vary.

What is the side group?  They all have a carboxyl and an amino group.

700

The property of water that helps an area of high humidity maintain a low temperature gradient.

What is high heat capacity?

700

How protein's properties are determined.

What is type, number, and order of amino acids linked together?

800

Solid water's density compared to liquid water.

What is less dense?

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