Which disorder is characterized by the overproduction of growth hormone in an adult?

A. acromegaly
B. pituitary dwarfism
C. diabetes mellitus
D. simple goiter
E. none of these


Answer: A

Biology & Microbiology

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What process enables a single gene to encode two or more polypeptides that are different in their amino acid sequence?

A. Reverse transcription B. Self-splicing C. Capping D. Alternative splicing E. Regulatory splicing

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The observation that freshwater habitats account for only 1% of Earth's water, and they are home to 36% of the known species of fish is due to speciation.

A. parapatric B. prezygotic C. sympatric D. postzygotic E. allopatric

Biology & Microbiology

Which trait is a characteristic of most monocots?

a. four or five floral parts, or multiples of four or five b. three furrows with pores on pollen grain c. vascular bundles organized as a ring in ground tissue d. branching fibrous root system e. two seed leaves of embryo inside the seed

Biology & Microbiology

A mutualistic association between a plant root and a fungus is known as a

a. sac fungus. b. lichen. c. mycorrhizal root. d. club fungus.

Biology & Microbiology