A cell must expend energy to accomplish substance movement during
A) diffusion.
B) active transport.
C) passive transport.
D) osmosis.
E) filtration.
B) active transport.
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What do goblet cells secrete?
A. Fibers B. Antibodies C. Hormones D. Mucus E. Glycosaminoglycans
Knee extensors, known as the quadriceps femoris, include the
A) biceps femoris, gracilis, and sartorius. B) three vastus muscles and the rectus femoris. C) popliteus, iliopsoas, and gracilis. D) gastrocnemius, tibialis, and fibularis. E) hamstrings and adductors.
Conduction deafness occurs when sound waves cannot reach the fluids of the inner ear. Which one of the conditions below will not cause conduction deafness?
A) a perforated eardrum B) damage to the ossicles C) damage to cochlear hair cells D) inflammation of the middle ear
What are the maternal and fetal contributions to the placenta?
What will be an ideal response?