Answer:
Isolate DNA from all organisms and store at --20ºC.
Explanation:
The first step to be taken, in the case shown in the question above, is to isolate DNA from organisms, as molecular assays will need to be performed and these assays require the presence of the organism's DNA to be performed. Because DNA is a sensitive and unstable molecule, it must be preserved in a refrigerated environment to maintain its integrity and to be studied. Then, after isolating the DNA, technicians must store the DNA in refrigeration. It is best to store the DNA at -20ºC.
Child labour society, family income, interpersonal relationships and employment-related factors are the characteristics of non-friendly environment.
<h3>Factors affecting children mental growth:</h3>
Environmental factors that adversely affected the growth and development in children include housing arrangements, family income, interpersonal relationships and employment-related factors.
These factors greatly disturbed the psychology and mental condition of a child so we have to take initiatives in order to provide good environment for children.
Learn more about environment here: brainly.com/question/17413226
Answer:
1. use positive self-talk
2. act with integrity
3. choose supportive friends
4. accept yourself
Explanation:
