Answer:
Chapter 13 of "The Immortal Life of Henrietta Lacks" discusses the discovery of HeLa cells by scientists and their significant impact on medical research.In this chapter, the author, Rebecca Skloot, introduces Dr. George Gey, a researcher who successfully grew and maintained human cells outside the body for the first time. He named these cells "HeLa cells" after th e donor, Henrietta Lacks. Dr. Gey's breakthrough with HeLa cells revolutionized medical research and laid the foundation for numerous scientific advancements. Skloot explains that HeLa cells became the first immortal human cells ever cultured in a lab. This means that the cells could be grown indefinitely, providing a consistent and reliable source of cells for experiments. The discovery of HeLa cells has been invaluable to researchers studying diseases like cancer, AIDS, and polio, as well as developing vaccines and medications. The chapter also delves into the ethics surrounding the use of Henrietta Lacks' cells without her knowledge or consent. Skloot explores the complicated history of medical research on African Americans and the lack of informed consent during that time. This raises important questions about the ownership and control of biological materials obtained from patients. Overall, Chapter 13 highlights the immense impact of HeLa cells on medical science while also raising ethical considerations surrounding the use of human tissues for research purposes. It sheds light on the contributions and legacy of Henrietta Lacks, whose cells continue to be instrumental in advancing medical knowledge and improving patient care.
Explanation:
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Answer:
C
Explanation:
be a warning or indication of (a future event).
Answer:
D
Explanation:
The other ones say that they feel uncertain or uncomfortable. D says that he's doing action that doesn't make him stop and think
Answer:
what was the poem?
Explanation:
What punctuation and/or conjunction can be used to combine them?
hours, and the wind
hours, the wind
hours; and the wind
hours and the wind
A.Hours, and the wind.Because the comma comes before the conjunction and.
where he broke it, two heavier lines,
and a fine black thread
still crimped from the strain and snap
when it broke and he got away.
Like medals with their ribbons
frayed and wavering,
a five-haired beard of wisdom
trailing from his aching jaw.
a. A green line, frayed at the end
b. and a fine black thread
c. when it broke and he got away.
d. Like medals with their ribbons
e. a five-haired beard of wisdom
f. trailing from his aching jaw
Answer: Like medals with their ribbons
a five-haired beard of wisdom
Karen had watched survival shows on television with her best friend,
Karen watched survival shows on television with her best friend,
Karen has watched survival shows on television with her best friend.
Karen is watching survival shows on television with her best friend,
Karen was watching survival shows on television with her best friend,
The best way to rewrite the sentence in present progressive is: Karen is watching survival shows on television with her best friend.
The best way to rewrite the sentence in present progressive is: Karen is watching survival shows on television with her best friend. Present progressive tense is used to describe actions that are happening at the moment of speaking. In this case, Karen is currently watching survival shows on television. The other options are referencing past actions and do not convey the present moment.
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Answer:
Karen is watching survival shows on television with her best friend.
Explanation:
b. False