Science Flashcards
This include all sugars and starches. They are used for short term energy. Your body breaks these down
Carbohydrates
These are fats and cholesterol used for long-term energy they make up your cell membrane
Lipids
These make up most of your body, skin, hair, nails, muscles, and a lot on cell parts you get them from eating meat, beans, and nuts 
 Protein
These are chemicals that make up DNA and RNA in your body
Nucleic acid
The basic unit of all matter
Atom
Every atom is a type of …
Element
Two or more elements that are chemically combined is called…
Compound/molecule (ex:water)
How to find number of proteins…
Atomic number
How do you find the number of electrons…
Look at protons
How do you find the number of neutrons…
Round atomic mass + atomic number
-In nucleus
-positive
Protons
-in nucleus
-neutral
Neutrons
-Outside nucleus
-negative
-very small
Electrons
-any number (ex:9)
-top of card
Atomic number
-letter (ex: F)
-middle of card
Element symbol
-number maybe with decimals (ex:18.99840)
-middle of card
Atomic mass
-type of thing (fluorine)
-bottom of card
Element
Atomic number equals the number of…
Protons = electrons
Atomic mass equals the number of…
Protons + neutrons
The cell membrane is ______ permeable-meaning it lets some things in and out and others
Slectively
It is made out of _____ layer
Bi-lipid
No energy
Passive transport
Energy
Active transport
Small particles that go right through the membrane, going from an area of high concentration to an area of low concentration
Diffusion