Answer:
proteasome
Explanation:
It breaks down proteins, and gets rids of damaged or unwanted ones.
Answer:
enslaved people who were house workers often <em>took care of children</em>
Answer:
brainliest plzzzz
Explanation:
1890
In 1890, the Census Bureau announced the end of the frontier, meaning there was no longer a discernible frontier line in the west, nor any large tracts of land yet unbroken by settlement. This news had a terrific psychological impact on many Americans. For the first time in history, America was without a frontier.
The south was the main agricultural hub in the area
In the 17th century Europeans began to establish settlements in the Americas. The division of the land into smaller units under private ownership became known as the plantation system. Starting in Virginia the system spread to the New England colonies. Crops grown on these plantations such as tobacco, rice, sugar cane and cotton were labour intensive. Slaves were in the fields from sunrise to sunset and at harvest time they did an eighteen hour day. Women worked the same hours as the men and pregnant women were expected to continue until their child was born.
European immigrants had gone to America to own their own land and were reluctant to work for others. Convicts were sent over from Britain but there had not been enough to satisfy the tremendous demand for labour. Planters therefore began to purchase slaves. At first these came from the West Indies but by the late 18th century they came directly from Africa and busy slave-markets were established in Philadelphia, Richmond, Charleston and New Orleans.
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