1. What arguments can be made for the idea that chloroplasts descend from free bodied
a. It has its own genome
b. Has a similar structure to Cyanobacteria
c. Has its own membrane outside those used for gradient purposes.
d. All of the above.
Acrylamide levels varies throughout the gel concentration increases progressively from the top to the
bottom of the gel part. The gradient is usually linear and produces very thin strips. It has high resolving
power and high separation powe
It's the back of the brain, together with the spinal cord. They are distinguished in it:
Cord or medulla oblongata: Formed by the ventral surface of the hindbrain and the side walls. There are
vital nerve centers that coordinate activities; Bre
Interaction of radiation with matter.
It is applied to calculate the refraction and polarography
When the dispersion to interact with a body radiation or matter radiation delay corresponding to a
change in propagation velocity and a change in
Hydrocarbon chain of 35 carbon atoms.
However there are many more artificial synthesis, further suelan any carbon atom replaced by a
nitrogen. Anticoagulant agents such as dicumarol and dicoumarin are vitamin K antagonists and are used
They are less volatile than earlier (C20), but also often have vegetable substances. They are derived from
the union of two monoterpenes, and it is noteworthy phytol (monounsaturated linear and a terminal
hydroxyl), as part of vitamins E and K
Glycerides and waxes. Phosphoglycerides and sphingolipids
Both glycerides (or acylglycerols) and waxes are, as we saw in the previous classification, simple lipids.
Glycerides are esters of glycerin (or glycerol), a tri-hydroxy alcohol + 1.2 or 3 fatty ac
Functions in living organisms: structural, energy and form hormones and vitamins function.
Basic unit: fatty acid: CH 3 (CH 2) n-COOH
types of fatty acids
AG. Saturated: No double bonds. Form Vander Walls forces, which are forces of attraction / repulsion
Front differential sedimentation or centrifugation:
Initially the components of a mixture occupy the entire tube.
First centrifugation: those high molecular weight molecules migrate more quickly to the bottom of the
tube and slide towards the bottom by th
The stationary phase is charged groups which will interact electrostatically with opposite sign of the
mobile phase ions.
The stationary phase consists of an inert matrix which may be dextran, agarose or pol
1. Glycogen is a source of
2. T/F Glycogen is broken down via hydrolysis
3. Glycogen is initiated by what hormone
d. A and B
e. A and C
4. Cascades biology are used to.
1. Pyruvates require oxygen to make
c. Acetyl CoA
2. Pyruvates can go on to make NAD+ through
c. Acetyl CoA
d. A and B
e. A and C
3. T/F Gluconeogenesis is the opposite pathway of glycolysis
1 T/F and Assay is a technique used to denature proteins.
2 Chromatography is a way to:
a. Separate Proteins
b. Characterize Proteins
c. Purify proteins
d. All of the above
3 T/F the isoelectric point of a protein is a specific ph at which a protein is ne
1. Homo Disaccharides are Disaccharides that have:
a. The same sugars on either side of the bond.
b. Different sugars on either side of the bond.
c. Not true disaccharides.
2. What is a function of carbohydrates
b. Stuff like carbon skeletons
1) Penicillin was given in class as an example of what kind of inhibition?
a. Standard Inhibition
b. Competitive Inhibition
c. Non-competitive Inhibition
d. Irreversible inhibition
2) T/F Absolute specificity allows only one specific substrate to bind to
1. What elements are considered The elements of biology?
a. C, H, O, F, N
b. C, H, O, N, P, S
c. C, H, O, N, Ca, K
2. DNA is:
a. A repository of information.
b. A protein that makes other proteins.
c. A molecule that has a backbone made completely out of
1. Chymotrypsins active site binds with what type of amino acid as its substrate.
2. Aspartyl proteases uses which catalytic principles
a. Covalent catalysis
b. Acid Base Catalysis
c. Catalysis by approximatio
1. Ketosis presents with all the following except.
a. Pre fatty acids are released.
b. Ketone bodies form
c. PH increases
d. Coma and death results
2. The committed step of fatty acid biosynthesis is the carboxylation of acetyl-coa to make malonylcoa done
1. In the citric acid cycle _ is put into the cycle and _ is a waste product.
a. Oxygen, acetyl CoA
b. Acetyl CoA, Carbon Dioxide
c. Carbon Dioxide, ATP
d. Oxygen, ATP
2. Regulation of PDH is done by
a. Helper molecules
b. Substrate availability
c. CO2 in
1) The name of a molecule that has an overall neutral charge, due to having both a positive
and negative charge is known as a(n)?
d. Neutral ion
2) The difference between a protein and a polypeptide is?
a. To be
Biochem 3600 Aug 22-26 questions
1. (T/F) Dr. Toulene will fail you if you mispronounce his name.
2. Water, being the most abundant compound in the human body contains between?
A) 0-20% water
B) 80-100% water
C) 40-55% wat
1. T or F: With proteins function is determined by the folded structure.
2. Primary Structure of a protein designates:
a. The first fold folding of a poly peptide.
b. The sequence of amino acids
c. Never the finished product of a protein.
3. T or F: Acids
Disintegration of tissues, cells and organelles.
When isolating a tissue, the cells possess a minimum amount of enzymes and compounds that are not
excreted and we need to make the disintegration of tissue and cells to isolate and study.