Elements & Compounds
What is an element?
A substance that cannot be broken down into smaller substances. A pure substance.
What are the building blocks of protein?
Amino Acids
What does a nucleus do?
It stores DNA.
What is the point of basic science?
What is the first step of the scientific method?
Make observations
What macromolecule is responsible for storing genetic information?
Nucleic Acid
What is the powerhouse of the cell?
The mitochondria
What is the point of applied science?
Solving practical problems
What is an independent variable?
The part of the experiment you change on purpose.
What two particles make up the nucleus of an atom?
Protons and neutrons
What macromolecule makes up fat?
Lipid
What does the ribosome do?
Builds proteins
How does applied science relate to basic science?
It uses discoveries from basic science.
How many dependent variables can an experiment have?
One.
The atomic number tells us what about an atom?
The amount of protons.
What is the function of a lipid?
Rough ER means what?
Why do some scientists believe applied science should be focused on more?
It can solve immediate problems
Why are control variables important?
To ensure a fair test of the independent variable.
What is the difference between a molecule and a compound?
Molecules are two or more atoms.
Compounds are two or more different elements.
Which macromolecule is responsible for forming cell membranes?
Lipids
The word organelle means what?
small organs
Why might scientists study the rainforest?
To discover potential medicines.
What should you do if your hypothesis proves to be wrong?
Share your results anyways