Ions with a negative charge are called
A) cations.
B) anions.
C) protons.
D) positrons.
E) polar molecules.
Answer: B
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The leukocyte that is very active during a bacterial infection is the
A. eosinophil. B. lymphocyte. C. basophil. D. neutrophil. E. monocyte.
Iron molecules released from the breakdown of hemoglobin are transported through the blood by:
A) transferrin. B) antibodies. C) vitamin B12. D) albumin.
Linoleic acid and linolenic acid are examples of
A) transport proteins. B) lipoproteins. C) essential fatty acids. D) essential amino acids. E) non-essential amino acids
Before beginning orthodontic treatment, a patient may have her wrist and hand x-rayed to determine her stage of growth. What long bone feature will the orthodontist use to assess this?
A. Epiphyseal plate B. Osteon C. Compact bone D. Spongy bone E. Periosteum