In 1610, which scientist was imprisoned for publishing evidence that the Earth orbits the sun?

a. Aristotle
b. Copernicus
c. Galileo
d. Darwin
e. Newton


ANSWER: c

Biology & Microbiology

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Fungal infections are generally acquired via which route?

a. Person to person b. Nosocomial c. Vector d. Inhalation of spores

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What is the eukaryotic chromosome composed of?

a. DNA and carbohydrate b. DNA only c. DNA and protein d. RNA only

Biology & Microbiology

Insulin can activate lipid synthesis in adipose cells and block breakdown of glycogen in the liver.  How could one hormone have different effects on different organs?

A. Adipose and liver cells may have unique signal transduction pathways activated by insulin. B. Adipose cells do not express the insulin receptor while liver cells do. C. Adipose and liver cells may contain different transcription factors that regulate the expression of different genes. D. Adipose and liver cells may express distinct insulin receptors.

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Swollen lymph nodes signal infection and result from increased numbers of ________ that build up in the lymph nodes

Fill in the blank(s) with correct word

Biology & Microbiology