Researchers first discovered the existence of hormones by studying secretions from the ________.

A. adrenal glands
B. pancreas
C. gonads
D. thymus gland
E. pineal gland


Answer: B

Biology & Microbiology

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Tendrils are

A. structures in some carnivorous plant leaves that trigger the leaves to close on insects. B. starch-storing specialized roots. C. specialized stems that grow across the ground, and reproduce shoots and roots. D. the central, supporting stalk of a compound leaf. E. specialized stems that coil and provide springy attachment for climbing.

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In eukaryotes, the greatest relative amount of tandemly repeated DNA is associated with centromeres and telomeres

Indicate whether the statement is true or false

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What part of the neuron receives nerve impulses and acts as an "antenna"?

A) axon B) cell body C) dendrite D) nerve

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Which of the following are cytokines produced in response to invasion by viruses

A. RIG-1 B. Interferon C. Histamine D. Interleukin E. Colony-stimulating factor

Biology & Microbiology