BIOLOGY 9-12 (30) – WAYS OF DNA TRANSFER IN BACTERIA + CELL CYCLE Part 1

A process in which DNA is transferred from a bacteria donor cell to recipient cell by cell to cell contact Iis called?
Question grade : 1

1/30
Transduction
Transfection
Transformation
None

2/30
Competitive cells
Transformed cells
Competent cells
A + B

PROCESS OF TRANSFORMATION WAS DISCOVERED BY FREDRICK GRIFTH IN?
Question grade : 1

3/30
1927
1928
1827
1828

4/30
VIRULENT
NON VIRULENT
NORMAL
B + C

5/30
VIRULENT PHAGE
TEMPERATE PHAGE
BACTERIOPHAGE
ALL

A DNA fragment is transferred from one bacterium to another by a temperate phage?
Question grade : 1

6/30
GENERALIZED TRANSDUCTION
SPECIALIZED TRANSDUCTION
TRANSFORMATION
NONE

In the Griffith experiment which of the following strain of pneumococci was isolated from dead mice??
Question grade : 1

7/30
Live smooth cell
live rough cell
dead rough cells
NONE

The transfer of genes from one cell to another by a bacteriophage is known as _?
Question grade : 1

8/30
Recombination
Transduction
Transformation
ALL

The transfer of naked DNA from one cell to another is referred to as __?
Question grade : 1

9/30
Transduction
Transformation
Lysogeny
Conjugation
B + C

In the extracellular medium, DNA-degrading enzymes would likely be to prevent transfer of DNA by?
Question grade : 1

10/30
natural transformation
generalized phage transduction
natural transformation
none of the above

11/30
peroxidase
Cd kinase
both
None

12/30
SHORT
THICK
VISIBLE
ALL

Sister chromatids move towards opposite pole in which phase of mitosis??
Question grade : 1

13/30
Metaphase
prophase
anaphase
Telophase

14/30
prophase
Telophase
BOTH
NONE

Shortest and most rapid occurring phase in the complete karyokinesis?
Question grade : 1

15/30
PROPHASE
METAPHASE
ANAPHASE
TELOPHASE