BIOS 100 Lecture Notes - Lecture 4: Carboxylic Acid, Amine, Hydroxy Group
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Unit 2 Organic Chemistry
Organic compounds vs. Inorganic compounds
What makes a compound organic? Inorganic?
Functional groups (phosphate groups, amino groups, carboxyl groups)
Know the structure of each of these groups, and which organic compounds they are found in. You can draw them for your own use.
Hydrolysis
What is it? What is it used for?
Dehydration synthesis
What is it? What is it used for?
Carbohydrates (Monosaccharides, Disaccharides, Polysaccharides and examples)
Know the process of joining two monosaccharides together to create a disaccharide.
Be able to give examples of several monosaccharides, disaccharides and polysaccharides.
Monosaccharide examples (3) | Disaccharide examples (2) | Complex carbohydrates (3) |
Lipids (Saturated vs. Unsaturated; Phospholipids, Steroids)
Define a saturated fatty acid.
Define an unsaturated fatty acid. Draw if it helps.
What process is used to put the fatty acid chain on a glycerol molecule?
Hydrophilic vs. hydrophobic
Define hydrophilic.
What part of the phospholipid is hydrophilic?
Define hydrophobic.
What part of the phospholipid is hydrophobic?
Proteins, types and functions
What is a protein composed of, and what does it do?
Amino acids
Name the three parts of the amino acid that come off the common Carbon.
Identify each of the three parts. (Amino Acid ID game)
Peptide Bonds
How are they formed?
What two parts of each amino acid do they join together?
Enzymes - define.
Levels of Protein structure
Complete the chart below.
Protein structure level | definition |
Primary | |
Secondary | |
Tertiary | |
Quarternary |
Protein Denaturation
What is it and how does it happen?
Define what a Solute is.
Define what a solvent is
Nucleic acids (DNA, RNA, ATP)
Nucleotide
Name its three parts and be able to identify each of them on a diagram. (Nucleotide ID game)
What are the two possible sugars used in a nucleotide?
Complete the Table below.
DNA | RNA | ATP | |
What sugar does it have? | |||
What nitrogen bases does it have? | |||
Provide the pairings of the nitrogen bases of each nucleic acid | N/A | ||
What is its structure? |
Value: 1
Anabolic pathways of metabolism are pathways that:
a. build complex molecules from simple ones.
b. release stored chemical energy.
c. take place primarily in skeletal muscle
d. make large quantities of ATP.
Value: 2
The sum of all chemical reactions in a cell is referred to as _______________.
Value: 3
Organisms that derive both their energy and carbon from organic compounds are:
a. photoautotrophs.
b. chemoautotrophs.
c. chemoheterotrophs.
d. photoheterotrophs
Value: 4
It is often stated that the phosphate bonds in ATP are "high energy," but in fact, they are not notably high in energy. Rather, they are easy to break, and the âG of hydrolysis is a "useful" quantity of energy. What makes the phosphate bonds easy to break?
a. They are close to the destabilizing nitrogenous base adenosine
b. Positive charges on amino groups repel each other.
c. Negative charges on phosphate groups repel each other
d. High acidity attacks bonds between amino acids.
Value: 5
Which of the following describes ATP hydrolysis? Select all that apply
[mark all correct answers]
a. exergonic
b. spontaneous
c. often coupled to a reaction that has a positive ÎG
Value: 6
Which of the following describes catabolic reactions?
a. They are endergonic and have a negative change in free energy
b. They are exergonic and have a negative change in free energy
c. They are exergonic and have a positive change in free energy.
d. They are endergonic and have a positive change in free energy.
Value: 7
Why are cells not infinitely big?
a. Because they wouldn't fit in an organism
b. Because they would have a small surface area:volume ratio and substances would diffuse in and out too slowly
c. Because they would have a large surface area to volume ratio and substances would diffuse in and out too quickly
Value: 9
How is organelle movement around cells controlled?
a. the nucleus directs the movement of organelles in a cell
b. the cytoskeleton is like a monorail that moves organelles in a cell via motor proteins
c. organelles do not move, they have a fixed position in the cell
d. organelles move by facilitated diffusion in the cell
Value: 10
1. Prokaryotic cells lack:
a. a. A nucleus
b. organelles
c. cell membrane
d. DNA
e. A and B
Value: 11
Rough endoplasmic reticulum (rER)
a. a. Makes cell membranes
b. has ribosomes attached
c. are a site of protein synthesis
d. all of the above
Value: 12
Match the items.
The task is to match the lettered items with the correct numbered items. Appearing below is a list of lettered items. Following that is a list of numbered items. Each numbered item is followed by a drop-down. Select the letter in the drop down that best matches the numbered item with the lettered alternatives.
a. help to digest worn-out or damaged organelles. | |
b. Takes in molecules in transport vesicles, modifies them, and sends them back out in vesicles | |
c. makes sugar | |
d. makes ATP | |
e. assembles the ribosomes | |
f. gives the cell structure | |
g. move material around the cell | |
1. vesicles | a b c d e f g |
2. cytoskeleton | a b c d e f g |
3. the golgi apparatus | a b c d e f g |
4. lysosomes | a b c d e f g |
5. mitochondrion | a b c d e f g |
6. chloroplast | a b c d e f g |
7. nucleolus |