If one of the parents in a dihybrid cross possesses the PpTt alleles, which allele combination is not possible in their gametes?

a. PT
b. Pp
c. Pt
d. pT
e. pt


b

Biology & Microbiology

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The hydrocarbons found in the membranes of archaea are identical to those found in bacteria.

Answer the following statement true (T) or false (F)

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__________ conversion occurs when a bacterium carrying viral genes takes on new, atypical

characteristics. a. Transducing b. Lysogenic c. Prophage d. Lytic e. Reverse

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Which one of the following energy sources is NOT an alternative to fossil fuels?

A) hydroelectric power B) wind farms C) biomass fuels D) nuclear energy E) offshore drilling

Biology & Microbiology

Which includes one of the others as a specific type?

A. T cells B. macrophages C. B cells D. plasma cells E. neutrophils

Biology & Microbiology