Which of the following combinations of sex chromosomes is never seen in human beings?
a) XXX
b) XYY
c) YYY
d) X_ (also written as XO)
e) XXY
Ans: c) YYY
Biology & Microbiology
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Replication of most ________ viruses is similar to normal cellular processes.
A. dsDNA B. ssDNA C. +ssRNA D. -ssRNA E. dsRNA
Biology & Microbiology
Before a cell can go through mitosis, it must replicates genetic material in
a. anytime in Interphase b. S phase of Interphase c. Prophase d. M phase
Biology & Microbiology
The genome of viruses consists of:
A. double-stranded DNA. B. single-stranded DNA. C. double-stranded RNA. D. single-stranded RNA. E. Viruses genomes can contain any of the nucleic acids listed.
Biology & Microbiology
Which of the following function in agglutination?
A. IgA antibodies B. IgG antibodies C. IgE antibodies D. IgD antibodies E. IgA and IgG antibodies
Biology & Microbiology