2:1 would be the ratio of boys to girls
Answer:
The correct option is : cells containing empty plasmid vectors
Explanation:
The blue-white screen is a technique which involves the rapid identification of the recombinant bacteria in a vector-based molecular cloning experiment. In this method, a DNA ligated vector is inserted in a host cell which is viable for transformation and grown in presence of X-gal.
The cells that are transformed with the vectors having the recombinant DNA produce the white colonies. Whereas, the cells transformed with empty vector i.e. the non-recombinant plasmids, produce the blue colonies.
The nurse can follow
these following tips:
For temporary relief
of dryness of mouth from antihistamines:
1. the patient can
chew on sugarless gums
2. the nurse can let
the patient have bits of ice melt in their mouth
3. or the nurse can
give a saliva substitute
If dryness of mouth
does not go away after 2 weeks, seek doctor’s help.
Correct answer is The horse started out the size of a small dog and evolved to the larger modern horse.
hopes its help
Answer:
hope this helps
Explanation:
The greenhouse effect is a natural process that warms the Earth's surface. When the Sun's energy reaches the Earth's atmosphere, some of it is reflected back to space and the rest is absorbed and re-radiated by greenhouse gases. The absorbed energy warms the atmosphere and the surface of the Earth.