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
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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.
In eukaryotes, the greatest relative amount of tandemly repeated DNA is associated with centromeres and telomeres
Indicate whether the statement is true or false
What part of the neuron receives nerve impulses and acts as an "antenna"?
A) axon B) cell body C) dendrite D) nerve
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