cDNA probes are copied from the messenger RNA molecules with the help of

1.  restriction enzymes

2.  reverse transcriptase

3.  DNA polymerase

4.   adenosine deaminase

View Answer  
4
Correct Answer :

reverse transcriptase


Explanation :
No Explanation available for this question

What prokaryotic adaption occured during the oxygen revolution and opened up the possibility for energy demanding multicellular lif-forms

1.  Electron transport systems

2.  Anaerobic fermentation

3.  Aerobic respiration 

4.  Photosynthesis

View Answer  
4
Correct Answer :

Aerobic respiration 


Explanation :
No Explanation available for this question

Mendel crossed plants with red and white flowers.In the F1 only red flowered plants were found.Two F1 plants were crossed and in F2 generation 2950 red and 1050 white flowered plants were obtained.It is reasonable,he conclude that

1.  Mutation had occurred

2.  The genes for white flower is incompletely dominant

3.  The probability of white flowered plant is ¼

4.  No reason can be attributed

View Answer  
4
Correct Answer :

The probability of white flowered plant is ¼


Explanation :
No Explanation available for this question

Why were pea plants more suitable than dogs for mendel’s experiment

1.  There were no pedigree records of dogs

2.  Pea plants can be self-fertilized

3.  All pea plants have 2n number of chromosomes

4.  Dogs have different colour

View Answer  
4
Correct Answer :

Pea plants can be self-fertilized


Explanation :
No Explanation available for this question

Interview Questions

MongoDB
Java Script
Node JS
PHP
JQuery
Python