The genetic information is coded in DNA by the ________.
A) regular alteration of sugar and phosphate molecules
B) sequence of the nucleotides
C) three-dimensional structure of the double helix
D) arrangement of the histones
B) sequence of the nucleotides
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The bulk movement of air into and out of the lungs is called ________.
A. evacuation B. perspiration C. respiration D. ventilation
A small rough bump on bone where a tendon attaches is called a
A) tubercle. B) trochanter. C) trochlea. D) tuberosity. E) trabecula.
Which of the following is an extensor of the neck?
A. Omohyoid B. Posterior scalene C. Occipital belly of the occipitofrontalis D. Semispinalis capitis E. Sternocleidomastoid
What is the importance of the mesenteries?
A) they increase the surface area available for absorption in the small intestine B) they produce enzymes to increase the digestion of proteins and fats in the small intestine C) they support and stabilize organs of the abdominal cavity and provide a passageway for blood vessels, nerves, and lymphatic vessels D) they consist of smooth muscle that contracts to push food along the digestive tract E) they produce hormones that regulate the activities of the digestive organs