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

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


Answer: D. algae

Biology & Microbiology

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Identify the structure of the neuron marked A

a. axon terminal b. cell body c. axon d. glial cell e. dendrites

Biology & Microbiology

Which of the following uses specific genes of microorganisms cloned into vectors and mass- produced in bacteria to make large quantities of specific substances to stimulate the immune system?

a. Gene therapy b. Insulin synthesis c. Genetic diagnosis d. Vaccine production

Biology & Microbiology

The aerobic respiration process ends in what area of the

eukaryotic cell? a. photosynthetic b. cytoplasm c. mitochondria d. the Krebs cycle e. gap junction

Biology & Microbiology

Diversity often decreases during the later stages of succession

Indicate whether the statement is true or false

Biology & Microbiology