<span>Sputum membranes tests are used to test the lungs, trachea and bronchial canals for pathogens that can have an adverse affect on the lungs. These pathogens can cause infections that can have serious effects on your breathing and all over health.</span>
Q1. A. An organism with favorable genetic variations will tend to survive and breed successfully
Q2. C
Q3.b. limited food resources
Q4.c. chromosome number
Answer:
(1) competent cell preparation, (2) transformation of cells, (3) cell recovery, and (4) cell plating
Explanation:
<span>Bt corn is a type of GMO corn which has had genes inserted into its genetic material from another organism, known as a donor organism. In this case, it is the bacterium Bacillus thuringiensis, which naturally occurs in soil. The value of the gene which has been added is that it contains a protein which kills the larvae of certain insects, especially European corn borers. This insect resistance is the chief feature of value in Bt corn.</span>
