Biology chap 7
問題一覧
1
1. It is an extraction process of DNA from various sources.
A. DNA purification
B. DNA isolation
C. DNA extraction
b
2
2. Presence of proteins, lipids, polysaccharides and some other organic or inorganic compounds in the ________ can interfere with DNA analysis methods
A. DNA preparation
B. Ion exchange
C. polymerase chain reaction
a
3
3. In _______ the latter application is the
most common.
A. Medicine
B. Experiment
C. Recovery
a
4
4. A _____ needs to recover DNA for identification of individuals
A. Forensic science
B. DNA isolation
C. Gene analysis
a
5
5. Sources for DNA isolation are very ____
A. Rare
B. Organic
C. Diverse
c
6
6. The isolation of DNA usually begins with _____ or breakdown, of tissue or cells
A. Lipids
B. Lysis
C. Proteins
b
7
7. By application of a _____cellular proteins and lipids are separated away from DNA.
A. Alcohol
B. Detergent
C. Salt
b
8
8. A method that is similar to alkaline denaturation
A. Salting out method
B. Organic method
C. Heat denaturation
c
9
9. Columns are generally positively
charged to bind the negatively charged DNA
A. Ethylene Diamine Tetra
B. Sodium chloride
C. Ionic Exchange
c
10
10. The _________ binds metal ions; and sodium
A. Ionic Exchange
B. Ethylene Diamine Tetra
C. Sodium Chloride
b
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1
1. It is an extraction process of DNA from various sources.
A. DNA purification
B. DNA isolation
C. DNA extraction
b
2
2. Presence of proteins, lipids, polysaccharides and some other organic or inorganic compounds in the ________ can interfere with DNA analysis methods
A. DNA preparation
B. Ion exchange
C. polymerase chain reaction
a
3
3. In _______ the latter application is the
most common.
A. Medicine
B. Experiment
C. Recovery
a
4
4. A _____ needs to recover DNA for identification of individuals
A. Forensic science
B. DNA isolation
C. Gene analysis
a
5
5. Sources for DNA isolation are very ____
A. Rare
B. Organic
C. Diverse
c
6
6. The isolation of DNA usually begins with _____ or breakdown, of tissue or cells
A. Lipids
B. Lysis
C. Proteins
b
7
7. By application of a _____cellular proteins and lipids are separated away from DNA.
A. Alcohol
B. Detergent
C. Salt
b
8
8. A method that is similar to alkaline denaturation
A. Salting out method
B. Organic method
C. Heat denaturation
c
9
9. Columns are generally positively
charged to bind the negatively charged DNA
A. Ethylene Diamine Tetra
B. Sodium chloride
C. Ionic Exchange
c
10
10. The _________ binds metal ions; and sodium
A. Ionic Exchange
B. Ethylene Diamine Tetra
C. Sodium Chloride
b