Sam was a 60 year old man. As a result of picking up a heavy object he fractured the radius and ulna of his right arm. X-rays indicated that he had severe osteoporosis. His blood calcium levels were above normal and the pathologist found cancer cells that produced a hormone ike substance. That substance was most likely A. vitamin D. B. parathyroid hormone. C. calcitonin. thyroid hormone growth hormone
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Biology, 22.06.2019 05:30
What is the compliment dna strand to the following sequence: ttgactaggcta
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Biology, 22.06.2019 11:20
Which of the following is a limitation of a clinical trial? a.)amount of random assignments b.)hospital cost c.)number of test tubes d.)amount of peer review
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Biology, 22.06.2019 11:30
Female luna moths (actias luna) attract males by emitting chemical signals that spread through the air. a male hundreds of meters away can detect these molecules and fly toward their source. the sensory organs responsible for this behavior are the comblike antennae visible in the photograph shown here. each filament of an antenna is equipped with thousands of receptor cells that detect the sex attractant. based on what you learned in this chapter, propose a hypothesis to account for the ability of the male moth to detect a specific molecule in the presence of many other molecules in the air. what predictions does your hypothesis make? design an experiment to test one of these predictions.
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Biology, 22.06.2019 13:00
Describe the impact of deforestation of both abiotic and biotic factors within the tropical rainforest.
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Sam was a 60 year old man. As a result of picking up a heavy object he fractured the radius and ulna...
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