The first culture of human cells was begun by George and Martha Gey of Johns Hopkins University in 1951). The cells were obtained from a malignant tumor and named ______ cells after the donor, _________.

A) Roberts, John Roberts
B) Hela, Herbert Lane
C) MaLe, Martin Lewis
D) Hela, Henrietta Lacks
E) HeLa Helen Lassiter


Ans: D) Hela, Henrietta Lacks

Biology & Microbiology

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Within a community, a dominant species may appropriate a disproportionate share of available resources, thus ____

other species. a. increasing competition with b. increasing disease transmission with c. undergrazing d. outcompeting e. decreasing disease transmission

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What term refers to seasonal changes in the relative lengths of night and day?

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