Recombinant DNA Technology MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Recombinant DNA Technology, a fundamental topic in the field of Biochemistry. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Recombinant DNA Technology MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Recombinant DNA Technology mcq questions that explore various aspects of Recombinant DNA Technology problems. Each MCQ is crafted to challenge your understanding of Recombinant DNA Technology principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Biochemistry tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Recombinant DNA Technology MCQs are your pathway to success in mastering this essential Biochemistry topic.

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Recombinant DNA Technology MCQs | Page 4 of 21

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Q31.
The transfer of antibiotic-resistant genes from genetically engineered bacteria to disease-causing bacteria __________ .

a.

would be of no concern if it occurred.

b.

has occurred

c.

can never occur

d.

seems unlikely

Discuss
Answer: (d).seems unlikely
Q32.
Both DNA gel electrophoresis and SDS-PAGE of proteins are similar because

a.

in both cases molecules migrate to the anode

b.

both techniques rely on a constant charge to mass ratio

c.

both techniques utilize the sieving properties of gels

d.

all of the above

Discuss
Answer: (d).all of the above
Q33.
Some genetic diseases cannot be diagnosed by changes in restriction sites. Some of these can be detected by allele-specific oligonucleotide probes. These are

a.

copies of the gene with an altered sequence so that a restriction site is inserted

b.

mutagenized copies of a gene

c.

short sequences that will hybridize only to a specific base sequence

d.

PCR-amplified variable numbers of tandem repeats (VNTRs)

Discuss
Answer: (c).short sequences that will hybridize only to a specific base sequence
Q34.
In order to insert a foreign gene into a plasmid, both must __________

a.

have identical DNA sequences

b.

originate from the same type of cell

c.

be cut by the same restriction enzyme

d.

be of the same length

Discuss
Answer: (c).be cut by the same restriction enzyme
Q35.
Plant transformation can be obtained by

a.

combining plant and animal cells in culture

b.

shooting DNA into plant cells with a gun

c.

using the E. coli bacterium to infect plant roots

d.

infecting plants with a tobacco mosaic virus

Discuss
Answer: (b).shooting DNA into plant cells with a gun
Q36.
An expression vector

a.

always contains an origin of replication

b.

usually contains a gene that confers antibiotic resistance to the bacterial host

c.

always contains DNA segments for the regulation of mRNA production

d.

all of the above

Discuss
Answer: (d).all of the above
Q37.
The unpaired nucleotides produced by the action of restriction enzymes are referred to have

a.

sticky ends

b.

single strands

c.

restriction fragments

d.

ligases

Discuss
Answer: (a).sticky ends
Q38.
Which of the following is not true of small inbreeding populations?

a.

They tend to loose genetic diversity

b.

There is an increased incidence of recessive diseases

c.

Alleles may become fixed

d.

Mutation is increased

Discuss
Answer: (d).Mutation is increased
Q39.
Which of these genes codes for a protein that plays a role in growth?

a.

DCP1

b.

SCLC6A4

c.

KRTHA1

d.

GH1

Discuss
Answer: (d).GH1
Q40.
Which of the following does not act as a restriction enzyme?

a.

EcorI

b.

BamHI

c.

HindIII

d.

polydeoxyribonucleotide synthase

Discuss
Answer: (d).polydeoxyribonucleotide synthase
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