Quiz 2 Genome of Bacteria and Eukaryota

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Please be understand the genome of bacteria and eukaryotic cells and differentiate between them

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ID Number *

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The bacterial DNA is circular, double stranded and super coiled. *

1 point

True

False

Nucleoid is the form of naked DNA present in eukaryotic cells *

1 point

False

True

Bacterial DNA is condensed in the centre of the cytoplasm without membrane *

1 point

True

False

Domain refers the loops of bacterial DNA that are super coiled and attached with many proteins *

1 point

True

False

Bacterial DNA is attached with cytoplasmic membrane *

1 point

True

False

Among these two yeast life cycles, which is self-sterile *

1 point

Homothallic

Heterothallic

Please check the life cycle of the yeast and pick the correct sentence related to this *

1 point

This yeast life cycle is self-sterile

The mating types can be interchangeable in this yeast

Meiosis make this yeast to form diploid cells

The yeast can do both asexual and sexual lifestyle

Check this image carefully and pick the correct sentence *

1 point

Histone is the DNA binding protein present in the prokaryotic cells

Bacterial DNA are linear and single stranded as compared to eukaryotic cells

Bacterial DNA has no 5` and 3' ends as that of eukaryotic cells

Eukaryotic DNA will change its topology but not the prokaryotic DNA

In this electron microphotograph, the white, non-stained region in the centre is_(A)_ and white granular structures distributed throughout the cytoplasm are _(B)_ *

1 point

A) DNA and B) Plasmid

A) DNA and B) Ribosome

A) Ribosome and B) DNA

A) DNA and B) Protein

This is the extra-chromosomal DNA present in bacteria *

1 point

Plasmids

Plastids

Mitochondrian DNA

Prions

Removal of plasmid from a bacterial cell is known as ____________ *

1 point

Amplification

Curing

Mutation

Annealing

Option 1

Clear selection

Option 1

Clear selection

Which of these bacteria harbor the sym plasmid? *

1 point

Rhizobium

Agrobacterium

Escherichia coli

Pseudomonas

Plasmids are ____________ *

1 point

Self-replicative

Extra-chromosomal DNA

Having gene for special functions

All

Two different plasmids need compatibility for their existence in a single cell *

1 point

True

False

All the eukaryotic cells have extra-chromosomal DNA in their mitochondria, plastids and plasmids. *

1 point

True

False

F plasmids are responsible for sexual reproduction of bacteria *

1 point

True

False

R plasmids are present in E. coli for resistance against other bacterial attack. *

1 point

False

True

Ti plasmids from Agrobacterium is useful for plant genetic engineering *

1 point

True

False

Superbug is an engineered Pseudomonas which harbours plasmids for degradation of several petroleum compounds *

1 point

True

False

Colicin / Bacteriocin is produced by some strains of Pseudomonas due to col plasmids *

1 point

False

True

The genes responsible for nodulation of legumes are present in the plasmids of Rhizobium *

1 point

True

False

Which of the statement is "incorrect" with reference to yeast *

0 points

Yeast has both sexual and asexual life cycles.

Yeast is the model eukaryotic cell for genetic studies.

Some yeasts are homothallic and some are heterothallic.

'a' and 'alpha' mating types are inter-changable forms in heterothallic yeast

The sequences in sexual reproduction of yeast are as follows: *

1 point

Miosis - Plasmogamy - Karyogamy - zygote

Zygote - Plasmogamy - Karyogamy - Miosis

Plasmogamy - Karyogamy - Zygote - Miosis

Plasmogamy - Karyogamy - Miosis - Zygote

Yeast carries Plasmids *

1 point

True

False

The protein responsible for DNA binding and topology in eukaryotic cell is Histone *

1 point

True

False

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