Gene transfer

Bacterial transformation discovered by

• Frederick Griffith

• Avery Macleod and Mc carty

• Colin

• Watson crick

The ability of the cell to take up the DNA from their surroundings is called

• Competence

• Transformation

• Conjugation

• All of these

The transfer of genetic material from one cell to another cell through Bacteriphage is called

• Conjugation

• Tranduction

• Transformation

• Recombination

Griffith discovered Bacterial transformation in

Tags

NGSS.HS-LS3-2

A virus that only infects bacteria is a _________________.

• Retrovirus
• Bacteriophage

All bacteria are harmful to humans

• True
• False

Transduction occurs when ________________.

• None of these.

• a virus accidentally transfer bacterial DNA to another bacterium.

• a plasmid is transferred from one bacteria to another.

• bacteria take up DNA from the environment.

What process is occurring in the diagram?

• transduction
• transformation
• conjugation
• binary fission

Which of the following describes a bacteriophage?

• a virus that only infects plants

• a virus that only infects birds

• a species of bacteria that infects plants

• a virus that only infects bacteria

What is competency for a cell?

• The insertion of a formed plasmid into the cell.

• The chemical process of switching the gene.

• Super coiled molecules formed in the plasmid of the cell.

• Change in the structure and permeability of the cell membrane.