Which of the following types of RNA contains regions that act as a switch to turn protein synthesis on and off for the protein they code for?

A)microRNA
B)riboswitches
C)antisense RNA
D)tRNA


B)riboswitches

Anatomy & Physiology

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Most brain tumors originate from which of the following?

A. Neuroglial cells B. Sensory neurons C. Multipolar neurons D. Somatic motor neurons E. Bipolar neurons

Anatomy & Physiology

Which test tubes were used to determine the optimal pH for lipase activity?

A) tubes 2, 3, and 4 B) tubes 1, 2, and 3 C) tubes 2, 5, and 6 D) tubes 1, 5, and 6

Anatomy & Physiology

This part of the neuron generates and conducts action potentials

A) cell body B) axon C) dendrite

Anatomy & Physiology

Corticosteroid use for a spinal cord injury may lead to significant complications, particularly if:

A) the patient is younger than 45 years of age. B) it is initiated less than 3 hours after the injury. C) the patient is also taking beta-blocker medications. D) the injury is accompanied by penetrating trauma.

Anatomy & Physiology