What did the researchers conclude from the data shown in the figure?
A. The size of larvae is dependent on treatment with the Bt toxin.
B. Resistance to the Bt toxin is dominant.
C. Resistance to the Bt toxin is recessive.
D. The number of larvae is dependent on treatment with the Bt toxin.
E. Resistance to the Bt toxin is not genetic.
C. Resistance to the Bt toxin is recessive.
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Scuba divers use a BCD to control buoyancy. It is essentially a bag that can be inflated or deflated to prevent excessive sinking or floating. How do bony fish accomplish this?
A. They pump their operculum. B. They adjust the level of gasses in their swim bladder. C. They adjust their position using the pectoral and pelvic fins. D. They swim rapidly to saturate the blood with oxygen.
Which of the following is an example of a lipid?
a. amino acids b. monosaccharides c. steroids d. disaccharides
How do transfer RNAs (tRNAs) bring the correct amino acid to the growing polypeptide?
Which phenotype(s) is/are commonly used to select for growth of Staphylococcus?
a. acid tolerance b. halotolerance c. psychrotolerance d. all of the above