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Biochemistry
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Gel Electrophoresis
See What Others Are Saying!
Question
In an SDS-PAGE
Options
A. proteins are denatured by the SDS
B. proteins have the same charge-to-mass ratio
C. smaller proteins migrate more rapidly through the gel
D. all of the above
Correct Answer
all of the above
More questions
1. Codon that specify the amino acids often differs in the
Options
A. first base
B. second base
C. third base
D. none of these
Show Answer
Scratch Pad
Discuss
Correct Answer: third base
2. There is a single origin for DNA replication in bacteria. How many origins of replication are found in the much larger genomes of eukaryotes such as mammals?
Options
A. One
B. About 100
C. Thousands and tens of thousands
D. none of these
Show Answer
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Discuss
Correct Answer: Thousands and tens of thousands
3. Radial Immunodiffusion is similar to
Options
A. double-diffusion
B. gel diffusion
C. Ouchterloney technique
D. all of these
Show Answer
Scratch Pad
Discuss
Correct Answer: double-diffusion
4. Which of the following techniques was carried out by Nirenberg and Matthaei in 1961 to determine the first codon?
Options
A. In vitro synthesis of a polypeptide using UUUUU
B. Labeled peptide binding to a ribosome
C. Mixed co-polymer mRNA synthesis
D. none of the above
Show Answer
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Discuss
Correct Answer: In vitro synthesis of a polypeptide using UUUUU
5. How many bases of nucleic acid determine a single amino acid?
Options
A. Four
B. One
C. Two
D. Three
Show Answer
Scratch Pad
Discuss
Correct Answer: Three
6. Atherosclerosis can cause blood
Options
A. thinning
B. clotting
C. thickening
D. none of these
Show Answer
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Discuss
Correct Answer: clotting
7. Which species lack immunoglobulin light chains?
Options
A. Camels
B. Humans
C. cows
D. Buffalo
Show Answer
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Discuss
Correct Answer: Camels
8. DNA- footprinting is a suitable technique for identifying which of the following?
Options
A. Particular mRNA in mixture
B. Particular t-RNA in mixture
C. Introns within DNA
D. Protein binding site within DNA
Show Answer
Scratch Pad
Discuss
Correct Answer: Protein binding site within DNA
9. Methylated gene are
Options
A. active
B. silent
C. dynamic
D. either (a) or (b)
Show Answer
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Discuss
Correct Answer: silent
10. The most stabilizing force for nucleic acids is
Options
A. hydrogen bonds
B. electrostatic bond
C. Van der Waals
D. conformational entropy
Show Answer
Scratch Pad
Discuss
Correct Answer: Van der Waals
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Allosteric Effects
Amino Acid Metabolism
Anti Bodies
Antigen
ATP Synthesis and Fatty Acid Oxidation
Carbohydrate
Cell Signalling and Transduction
Cell Structure and Compartments
Chromatography
Disease Associated with Immune System
DNA Structure and Replication
Enzymes
FT IR Spectroscopy
Gas Chromatography
Gel Electrophoresis
Genetic Code and Regulation
Genetic Regulation Prokaryotes
Glycolysis
HPLC
Immune Response
Immune System
Immunological Techniques
Lipid
Membrane Structure and Functions
Minerals
Nitrogen Metabolism
NMR Spectroscopy
Nucleic Acids
Oxidative Phosphorylation
Photosynthesis and Respiration
Polymerase Chain Reaction
Protein and Nucleic Acid Interactions
Protein Purification
Protein Stability
Protein Structure
Protein Synthesis
Recombinant DNA Technology
RNA Structure
Spectroscopy
Structure and Properties of Amino Acids
Structure and Properties of Peptides
TCA Cycle
Thermodynamics and Free Energy
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Water, pH and Macromolecules