Save
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

BI101 Lecture 10

BI101 Study Guide: Biomolecules & Nucleic Acids

TermDefinition
Carbohydrates Elements C, H, O in a 1:2:1 ratio
Carbohydrate Monomers Monosaccharides (glucose, fructose)
Carbohydrate Polymers Disaccharides, polysaccharides (starch, glycogen, cellulose)
Carbohydrate Functions Energy source, energy storage, structural support
Carbohydrate Hydrophilicity Generally soluble in water
Lipids Not polymers (but built from fatty acids)
Lipid Types 1. Fats (Triglycerides 2. Phospholipids 3. Steroids
Lipid Properties Hydrophobic tails, hydrophilic heads (in phospholipids)
Lipid Functions Long-term energy, membranes, signaling molecules
Proteins Monomers Amino acids (20 types, differ by R groups)
Proteins Bond Peptide bond (covalent)
Proteins Structure 1. Primary Structure 2. Secondary Structure 3. Tertiary Structure 4. Quaternary Structure
Primary Structure Sequence of amino acids
Secondary Structure Alpha helices & beta sheets (hydrogen bonding)
Tertiary Structure 3D shape from R group interactions (H-bonds, ionic bonds, disulfide bridges, hydrophobic interactions)
Quaternary Structure Multiple polypeptide chains together (e.g., hemoglobin)
Proteins Functions Structure, enzymes, signaling, transport, defense, energy
Proteins Misfolding Can cause dysfunction/disease
Nucleic Acids Monomers Nucleotides (sugar + phosphate + nitrogenous base)
DNA Sugar Deoxyribose
RNA Sugar Ribose
DNA Nitrogenous Bases Adenine, Thymine, Guanine, Cytosine
RNA Nitrogenous Bases Adenine, Uracil, Guanine, Cytosine
DNA Structure Double-stranded, antiparallel, complementary base pairing (A–T, C–G)
RNA Structure Single Stranded
Base Pairing (Adenine) to... Base Pairing (Thymine) 2 Hydrogen Bonds
Base Pairing (Guanine) to... Base Pairing (Cytosine) 3 Hydrogen Bonds
Nucleic Acid Ends 5′ (phosphate) and 3′ (sugar)
DNA Function Stores genetic info
RNA Function Carries instructions, helps build proteins (mRNA, rRNA, tRNA)
Significance of Nucleic Acids 1. DNA sequence encodes instructions for proteins → determines cell function. 2. Human genome = ~3 billion base pairs. 3. Genomics has advanced medicine and evolutionary biology.
Carbohydrates Energy & structure
Lipids Hydrophobic, membranes, hormones, energy storage
Proteins Structure, function, enzymes, transport, signaling
Nucleic acids Store & transmit genetic info
Created by: trumoo312
Popular Biology sets

 

 



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