Macromolecules
Characteristics of life
Parts of an Atom
Properties of water
Parts of an Experiment
100

In the term macromolecule, "macro" means what? 

Large, or big

100

The term given to living thing is 

an organism

100

The basic parts of an atom are

protons, neutrons and electrons

OR

electron cloud and nucleus

100

The formula for water is

H2O

100

The observation, "There are 23 students in class," is a _________ observation. 

quantitative

200
The four major macromolecules are

Carbohydrates, Lipids, Proteins, and Nucleic Acids

200

All living things are made up of

cells

200

The electrons are found _____ within an atom

the electron cloud 

Or

Electron orbitals

200

The _______ atom in water is an "electron hog", which makes it act negatively. 

oxygen

200

The part of the experiment that does not change is the _______. 

constant

300

The monomer of a protein is

What is an amino acid?
300

The ability to respond to ______, such as bright lights, or temperature changes, is part of the characteristics of life. 

stimuli

300
The nucleus of an atom is ________ because it contains ___________ and neutrons.

positive, protons

300

Water is __________, because of the unequal sharing of electrons. 

polar

300

The variable is that is measured is

dependent variable

400

DNA and RNA are examples of what type of macromolecule?

Nucleic Acids

400

The idea that life comes from nonliving things is called

spontaneous generation

400

If an atom is neutral and has 12 protons, it also has _____ electrons. 

12

400

When water sticks to other water molecules that is called

cohesion

400

The observations collected during an experiment are called

data

500

The two parts of a lipid are...

fatty acid tail, and glycerol head

500

The ability to maintain a constant stable internal environment is called

homeostasis

500

Electrons on the outermost energy levels or orbitals, are called the ___________ electrons. 

valence

500

An atom that has an unequal number of neutrons and protons is an 

isotope. 

500

When graphing the _________ variable goes on the x-axis.

independent