I think the answer is young adulthood
Answer:
economic and educational backwardness
Explanation:
Thaddeus Stevens was representative of the State of Pennsylvania in the 1860s. A prominent Radical republican he fought for the equality of African Americans throughout his life. He led the crusade for universal education and Pennsylvania became the first state to provide free education. He not only acknowledged the economic and educational backwardness of African Americans but consistently fought to overcome them.
Answer and explanation:
If no bands were visible on the gel for some samples I'd interpret this result as in a very possible pippeting error that did not allow the sample to load correctly. Pippeting error can be caused by many factors, for example, if our chosen pipet is broken or dirty this can cause amount of liquid reduction after the transfer process.
1. Doric
2. Ionic
3. Corinthian