Which of the following ethnic groups does NOT have Neanderthal DNA in their genome?
A. Western Europeans
B. Australians
C. Tibetans
D. Africans
Ans: D. Africans
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Which of the following are examples of gonadotropins?
A. prolactin and oxytocin B. follicle-stimulating hormone and oxytocin C. luteinizing hormone and estrogen D. prolactin and estrogen E. follicle-stimulating hormone and luteinizing hormone
Which of the following organisms first introduced oxygen into Earth's atmosphere?
A) cyanobacteria B) methanogens C) early protozoans D) plants E) green algae
Chemically or thermally modified toxins that are used for vaccination are called (adjuvants/antigens/toxoids)
What will be an ideal response?
A man was under treatment for infertility. Examination of his sperm showed that his sperm could not swim. He also suffered from chronic bronchitis and other respiratory problems in which mucus with trapped particles was not being cleared from his lungs
From this you might infer he has a genetic defect affecting which structures inside his cells? What will be an ideal response?