Save
Upgrade to remove ads
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Anatomy: Ch. 2

Levels of Chemial Organization

QuestionAnswer
Which of the ollowing is not a subatomic particle? Isotope
Electrons move about within certain limits called: Orbitals
The number of Protons in the nucleus is an atom's: Atomic number
The number of protons and neutrons combined is the atom's: Atomic mass
Which of the following is not one of the major elements present in the human body? Iron
Atoms usually unite with eachother to form larger chemical units called: Molecules
Substances whose molecules have more tha one element in them are called: Compounds
Matter is anytihng that occupies space and has mass True
In the body, most chemicals are in the form of electrons False
At the core of each atom is a nucleus composed of positively charged protons and negatively charged neutrons False
Orbitals are arranged into energy levels depending on their distance from the nucleus True
The formula for a compound contains symbols for the elements in each molecule True
Ionic bonds are chemical bonds formed by the: Donation of electrons from one atom to another
Molecules that form ions when dissolved in water are called: Electrolytes
When atoms share electrons, a(n)what forms? Covalent bond
Covalent bonds: are not broken down easily
An example of an ionic bond is: NaCl
If a molecule "dissociates" in water, it: Separates to form free ions
A type of compound Inorganic
Compound most essential to life Water
Dissolves solutes Solvent
Water plus common salt Aqueous solution
Reactants combine only after (H) and (O) atoms removed Dehydration synthesis
Combine to form a larger product Reactants
the reverse of dehydration synthesis Hydrolysis
Yields energy for muscle contraction ATP
Alkaline compound Base
A measure of the H+ ions Strong acid
Dissociates very little Weak acid
Monosaccharide Carb
Triglyceride Lipid
DNA Nucleic acid
Cholesterol Lipid
Amino acid Proteins
Glycogen Carb
Sucrose Carb
Phospholipid Lipid
Contains C,O,H, and N Proteins
RNA Nucleic acid
Created by: cvinciguerra
 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards