Normal white blood cells (called B cells) and cancerous B cells that cause leukemia both carry a unique surface protein called CD-19
a. True
b. False
Indicate whether the statement is true or false
True
Biology & Microbiology
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Assuming complete dominance, what is the expected ratio of phenotypes of the offspring following the cross of two heterozygotes?
A) 4:1 B) 1:1 C) 3:1 D) 1:2:1
Biology & Microbiology
DNA possesses
A) only C and T bases. B) only A and G bases. C) A, U, G, and C bases. D) C, T, A, and G bases. E) only U and T bases.
Biology & Microbiology
Which is the persistent survival and multiplication of microorganisms on/in a host called?
A. Infection B. Colonization C. Nosocomial Infection D. A reservoir
Biology & Microbiology
In a human zygote, where did most of the cytoplasm come from?
A) spermatogonia B) oocyte C) polar bodies D) sperm
Biology & Microbiology