<span>d. 4.5 billion years
is the correct choice</span>
Answer:
The sample contains protein.
Explanation:
Biuret test is a test used to determine or assay for proteins in a solution. When the biuret reagent is added to a solution and it turns blue after 2 minutes, it means that the solution contains protein.
Benedict’s test is used to determine the presence of sugar (reducing sugar) in a solution. When it turns brick red, it means there is the presence of reducing sugar in large quantity.
From the question, since the solution turned blue on addition of Biuret reagent and was also blue on addition of Benedict’s reagent (the reagent is usually blue), it means that the solution contained just proteins excluding reducing sugars.
Answer:Every member of society protects his her rights in the society because the equal rights is one of the important part of a good society.
Explanation:
Answer:
They first met serious Persian resistance in Granicus River.
Explanation:
Answer:
a. Anglos welcomed Juan Seguín, Tejano supporter of Texas independence, as mayor of San Antonio.
Explanation:
Juan Seguín played an important role in the Texas revolution as a soldier and a politician.
He was elected as alderman in December 1828 where he served on various electoral boards. Later in December 1833, he was elected as Alcade. He became a Texas senator at the end of 1837 and was later elected Mayor of San Antonio in 1840.