You set up a mapping cross involving two genes in Aspergillus and determine the following percentages of tetrad types: parental ditype 51%, nonparentalditype 49%. What can you say about your genes?

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#Question id: 1300

#SCPH06 I Botany

Which of these is NOT a component of plant cell walls?

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#Question id: 4596

#SCPH28 | Zoology

In a hypothetical environment, fishes called pike-cichlids are visual predators of large, adult algae-eating fish (in other words, they locate their prey by sight). The population of algae-eaters experiences predatory pressure from pike-cichlids. Which of the following is least likely to result in the algae-eater population in future generations?

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#Question id: 18698

#SCPH01 Biochemistry

Plasmid G is cut with the restriction enzymes EcoRi, BamHI, and HindIII in various combinations. The sizes of the resulting fragments are seen in the table below.

 

Which of the following is an accurate representation of Plasmid G?

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#Question id: 369

#SCPH01 Biochemistry

Calculate the pH of a 2.0 L solution containing 10 mL of 5 M acetic acid and 10 mL of 1 M sodium acetate. (pKa = 4.76)

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#Question id: 1591

#SCPH05 I Biotechnology

Which of the following is not true about helper T cells?