Question 1

The Ti-plasmid was used as the platform for genetically engineering plants.

Accepted Answer

A) True 
 B)False  True

Question 2

Which family of plasmids carries genes for antibiotic resistance?

Accepted Answer

A) R-plasmids 
B) F-plasmids 
C) P-plasmids 
D) X-plasmids 
A) R-plasmids 
B) F-plasmids 
C) P-plasmids 
D) X-plasmids A

Question 3

Which of the following might be plasmid-encoded?

Accepted Answer

A) toxins 
B) antibiotic resistance 
C) plant hormones 
D) all of the above 
A) toxins 
B) antibiotic resistance 
C) plant hormones 
D) all of the above D

Question 4

Which one of the following organisms does not have plasmids?

Accepted Answer

A) bacteria 
B) viruses 
C) yeast 
D) archaea 
A) bacteria 
B) viruses 
C) yeast 
D) archaea

Question 5

Rolling circle replicationـــــــــــــــــــــــ .

Accepted Answer

A) begins when the origin of replication is pulled apart to generate a replication bubble 
B) occurs at the origin of vegetative replication 
C) begins when the origin of replication is nicked and one strand is unrolled 
D) occurs when a plasmid replicates in step with host cell division 
A) begins when the origin of replication is pulled apart to generate a replication bubble 
B) occurs at the origin of vegetative replication 
C) begins when the origin of replication is nicked and one strand is unrolled 
D) occurs when a plasmid replicates in step with host cell division

Question 6

Plasmids in the same family are incompatible becauseــــــــــــــــــــــ .

Accepted Answer

A) they are transferable 
B) they produce toxins 
C) they carry genes for antibiotic resistance 
D) they have similar DNA sequences in the replication genes 
A) they are transferable 
B) they produce toxins 
C) they carry genes for antibiotic resistance 
D) they have similar DNA sequences in the replication genes

Question 7

Transferable plasmids useــــــــــــــــ as a form of replication during transfer.

Accepted Answer

A) bidirectional replication 
B) rolling circle replication 
C) conservative 
D) none of the above 
A) bidirectional replication 
B) rolling circle replication 
C) conservative 
D) none of the above

Question 8

Bidirectional replication for F-plasmids occurs at theــــــــــــــــــ .

Accepted Answer

A) origin of vegetative replication 
B) origin of transfer 
C) origin of chromosomal replication 
D) linear ends 
A) origin of vegetative replication 
B) origin of transfer 
C) origin of chromosomal replication 
D) linear ends

Question 9

Plasmids are self-replicating extrachromosomal pieces of DNA.

Accepted Answer

A) True 
 B)False

Question 10

All plasmids are circular

Accepted Answer

A) True 
 B)False

Question 11

The Ti-plasmid is found in ـــــــــــــــــــــ.

Accepted Answer

A) Escherichia coli 
B) yeast 
C) Agrobacterium tumefaciens 
D) plants 
A) Escherichia coli 
B) yeast 
C) Agrobacterium tumefaciens 
D) plants

The Ti-plasmid was used as the platform for genetically engineering plants.

Which family of plasmids carries genes for antibiotic resistance?

Which of the following might be plasmid-encoded?

Which one of the following organisms does not have plasmids?

Rolling circle replicationـــــــــــــــــــــــ .

Plasmids in the same family are incompatible becauseــــــــــــــــــــــ .

Transferable plasmids useــــــــــــــــ as a form of replication during transfer.

Bidirectional replication for F-plasmids occurs at theــــــــــــــــــ .

Plasmids are self-replicating extrachromosomal pieces of DNA.

All plasmids are circular

The Ti-plasmid is found in ـــــــــــــــــــــ.

Cells and Organisms

Basic Genetics

DNA, RNA, and Protein

Genes, genomes, and DNA

Manipulation of Nucleic Acids

Polymerase Chain Reaction

Recombinant DNA Technology

DNA Sequencing

Genomics Systems Biology

Cell Division and DNA Replication

Transcription of Genes

Processing of RNA

Protein Synthesis

Protein Structure and Function

Proteomics

Regulation of Transcription in Prokaryotes

Regulation of Transcription in Eukaryotes

Regulation at the RNA Level

Analysis of Gene Expression

Viruses

Mobile DNA

Mutations and Repair

Recombination

Bacterial Genetics

Molecular Evolution

Filters

Exam 20: Plasmids

The Ti-plasmid was used as the platform for genetically engineering plants.

Which family of plasmids carries genes for antibiotic resistance?

Which of the following might be plasmid-encoded?

Which one of the following organisms does not have plasmids?

Rolling circle replicationـــــــــــــــــــــــ .

Plasmids in the same family are incompatible becauseــــــــــــــــــــــ .

Transferable plasmids useــــــــــــــــ as a form of replication during transfer.

Bidirectional replication for F-plasmids occurs at theــــــــــــــــــ .

Plasmids are self-replicating extrachromosomal pieces of DNA.

All plasmids are circular

The Ti-plasmid is found in ـــــــــــــــــــــ.

Cells and Organisms

Basic Genetics

DNA, RNA, and Protein

Genes, genomes, and DNA

Manipulation of Nucleic Acids

Polymerase Chain Reaction

Recombinant DNA Technology

DNA Sequencing

Genomics Systems Biology

Cell Division and DNA Replication

Transcription of Genes

Processing of RNA

Protein Synthesis

Protein Structure and Function

Proteomics

Regulation of Transcription in Prokaryotes

Regulation of Transcription in Eukaryotes

Regulation at the RNA Level

Analysis of Gene Expression

Viruses

Mobile DNA

Mutations and Repair

Recombination

Bacterial Genetics

Molecular Evolution

Filters