What type of RNA is used during the process of transcription?
a. ribosomal
b. messenger
c. transverse
d. transfer
b
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The "buffy coat" in a centrifuged blood sample is composed of
A. platelets and leukocytes. B. leukocytes. C. platelets. D. erythrocytes. E. erythrocytes and leukocytes.
List the important features of the ECG, and indicate what each represents
A) P wave (atrial repolarization), QRS complex (ventricular depolarization), T wave (ventricular repolarization)
B) P wave (atrial repolarization), QRS complex (ventricular depolarization), T wave (atrial depolarization)
C) P wave (atrial depolarization), QRS complex (ventricular depolarization), T wave (ventricular repolarization)
D) P wave (atrial depolarization), QRS complex (ventricular depolarization), T wave (atrial depolarization of the next cycle)
E) P wave (atrial contraction), QRS complex (ventricular contraction), T wave (ventricular relaxation)
What is formula weight?
A) the sum of the atomic weights of its component atoms B) the weight in grams equal to the element's atomic weight C) the total weight of an element including the isotopes D) the average weight of an element's different atomic masses and proportions of its different isotopes E) the sum of the atomic weights of the elements making up an ionic compound
The motor (efferent) division of the peripheral nervous system
A. is a division of the CNS. B. regulates the digestion of food. C. transmits impulses from the CNS to skeletal muscle. D. has nerve cell bodies located in ganglia near the spinal cord and brain. E. detects a stimulus.