In what way are a human and a crab similar?

A. Both have muscles that pull against rigid skeletons.
B. Vertebrates and arthropods are deuterostomes.
C. Both have closed circulatory systems.
D. Both have a continuous growth pattern.


Answer: A

Biology & Microbiology

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An oxpecker bird eats ticks off of a cape buffalo. What benefit is it providing for the mutualistic relationship?

a. nutrients b. grooming c. protection d. reproductive aid e. living space improvements

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The intercalating agent ________ allows researchers to visualize DNA and RNA on a gel when the gel is exposed to UV light

Fill in the blank(s) with correct word

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Which of the below is a hallmark of cancer?

a. generate their own mitogenic signals b. resist exogenous growth-inhibitory signals c. evade apoptosis d. all the above are hallmarks of cancer

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