When a sperm and an egg fused to form a
a. embryo
b. zygote
c. an organ
Ans: b. zygote
Biology & Microbiology
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Radiation and chemotherapy are the best treatments for cancer because they are very specific and destroy only
cancerous cells. a. True b. False
Biology & Microbiology
What is the purpose of the sex pilus?
a. to form a gap junction and conjugate b. to allow transfer of gametes c. to facilitate DNA exchange d. to stabilize a network of bacterial cells
Biology & Microbiology
Antibiotic therapy very early in life can
a. cause a predisposition for IBD. b. cause a predisposition for allergies. c. cause increased weight gain. d. all of the above
Biology & Microbiology
If favism—being a heterozygote for specific mutations in the G6PD gene—confers resistance to malaria, where should those mutations be prevalent? ____
What will be an ideal response?
Biology & Microbiology