Download August 31, 2016 - Iowa State University

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BIOL 212
Supplemental Instruction
Iowa State University
WORDS TO REMEMBER
Nucleic Acid
Cytosine
Guanine
Antiparallel
Phosphodiester
Hydrolysis
Deoxyribonucleic Acid
Uracil
Adenine
Hairpin
Ester
Condensation
Lauren M
BIOL 212
Kukday
August 31,2016
Ribonucleic Acid
Thymine
Watson-Crick pairing
Glycosidic linkage
Peptide
Dehydration
1. How many amino acids are there and what are their four main groups?
2. What does it mean when DNA is ‘directional’? And which direction is it going?
1. Which of the following bonds is correctly paired with its macromolecule?
a. Peptide Bond – Proteins
b. Glycosidic Linkage – Nucleic Acids
c. Phosphodiester bond – Carbohydrates
c. Peptide Bond – Nucleic Acids
2. Which of the following is not a difference between DNA and RNA?
a. RNA is single stranded; DNA is double stranded
b. DNA contains Thymine; RNA contains Uracil
c. DNA contains an extra hydroxyl group that RNA does not have
d. DNA is much less reactive than RNA
3. A nucleotide includes three main parts, what are they?
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4. If a certain strand of DNA contains 20% Cytosine, what percentage of Guanine would there be?
Thymine?
5. What is this structure? What are
components?
6. Which one is RNA and which one is DNA? Why?
Draw a picture of a saturated and an unsaturated fatty acid (lipid).
its
DNA
RNA
What are their base pairs?
What is the secondary
structure?
What is their tertiary
structure?
LOOKING AHEAD:
Rank the following molecules from fastest to slowest in crossing a plasma membrane: Oxygen,
Potassium, Glucose, Water.
WHAT WE KNOW SO FAR:
Macromolecule
Protein
Lipids
Carbohydrate
Nucleic Acid
Monomer
Reaction to make Bond between
Reaction to break