The concentration of the pesticide DDT is likely highest in which of the following?

A. a minnow
B. a mosquito larva
C. a seagull
D. plankton
E. algae


Answer: C. a seagull

Biology & Microbiology

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Do only plants have vacuoles?

A. Yes, only plants cells have vacuoles. B. No, bacteria also contain vacuoles that serve the same function C. No, other organisms, such as certain types of fungi and protists, have vacuoles that serve different functions. D. No, other organisms, such as certain types of fungi and protists, have vacuoles that serve the same function as in plant cells.

Biology & Microbiology

Which of the following is NOT a unifying characteristic of diplomonads and parabasalids?

A) having flagella B) lacking chloroplasts C) lacking mitochondria D) being multicellular

Biology & Microbiology

Which of the following has the greatest number of glycosidic bonds?

A) glucose B) triacylglycerol C) amylose D) DNA E) vitamin A

Biology & Microbiology

At steady state equilibrium, microtubules in a test tube have a________ and_______ end

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology