Q. What is a transgenic organism?
-
A.
An organism with DNA from the same species
-
B.
An organism that has been genetically modified to contain DNA from another species
-
C.
An organism that has not been genetically modified
-
D.
An organism that only reproduces asexually
Solution
A transgenic organism is one that has been genetically modified to contain DNA from another species.
Correct Answer:
B
— An organism that has been genetically modified to contain DNA from another species
Learn More →
Q. What is the primary ethical concern associated with recombinant DNA technology?
-
A.
Cost of research
-
B.
Potential for creating harmful organisms
-
C.
Difficulty in obtaining funding
-
D.
Lack of scientific interest
Solution
The primary ethical concern is the potential for creating harmful organisms that could impact ecosystems or human health.
Correct Answer:
B
— Potential for creating harmful organisms
Learn More →
Q. What is the purpose of using a vector in recombinant DNA technology?
-
A.
To amplify the DNA
-
B.
To transport the DNA into a host cell
-
C.
To degrade unwanted DNA
-
D.
To visualize the DNA
Solution
Vectors are used to transport the DNA into a host cell for replication and expression.
Correct Answer:
B
— To transport the DNA into a host cell
Learn More →
Q. What is the role of ligase in recombinant DNA technology?
-
A.
To cut DNA strands
-
B.
To join DNA fragments together
-
C.
To replicate DNA
-
D.
To transcribe RNA
Solution
Ligase is used to join DNA fragments together after they have been cut by restriction enzymes.
Correct Answer:
B
— To join DNA fragments together
Learn More →
Q. What is the significance of the polymerase chain reaction (PCR) in recombinant DNA technology?
-
A.
It cuts DNA into fragments
-
B.
It amplifies specific DNA sequences
-
C.
It joins DNA fragments
-
D.
It sequences DNA
Solution
PCR is significant because it amplifies specific DNA sequences, making it easier to work with small amounts of DNA.
Correct Answer:
B
— It amplifies specific DNA sequences
Learn More →
Q. Which of the following is NOT a method for introducing recombinant DNA into host cells?
-
A.
Electroporation
-
B.
Microinjection
-
C.
Transformation
-
D.
Natural selection
Solution
Natural selection is not a method for introducing recombinant DNA into host cells; it is a process of evolution.
Correct Answer:
D
— Natural selection
Learn More →
Q. Which organism is often used as a host for recombinant DNA technology?
-
A.
Humans
-
B.
Bacteria
-
C.
Plants
-
D.
Fungi
Solution
Bacteria, such as E. coli, are often used as hosts for recombinant DNA technology due to their rapid growth and ease of manipulation.
Correct Answer:
B
— Bacteria
Learn More →
Showing 1 to 7 of 7 (1 Pages)
