What is allowing new diseases that are driving the Panamanian golden frog (Atelopus sp.) to extinction?

A. deforestation
B. new predators
C. climate change
D. introduced species
E. All of the choices are correct


C. climate change

Biology & Microbiology

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As the first steps in creating recombinant DNA molecules were taking place, scientists immediately realized that modifying the genetic information in ____________________, a bacterium from the human gut, could be potentially dangerous

Fill in the blank(s) with correct word

Biology & Microbiology

Mendel was quite ahead of his time in genetics, and many of his hypotheses have stood up to newer discoveries. However, we now know that independent assortment has many exceptions. Which of the following is an exception to the law of independent assortment?

a. monohybrid cross b. test cross c. gene linkage d. random mutation

Biology & Microbiology

Bacterial food poisoning resulting from Clostridium (botulinum/difficile/perfringens) contamination is characterized by watery diarrhea accompanied by intestinal cramping but not fever, and it resolves in about a day

What will be an ideal response?

Biology & Microbiology

The disadvantages of using distance methods to construct trees include the fact that:

a. distance methods lack any sort of underlying evolutionary model. b. the assumption is made that similarity is a reflection of homology. c. Both of the above. d. Neither of the above.

Biology & Microbiology