Which microorganism enters another cell and hijacks the cell's parts, energy supply, and materials?
A. Virus
B. Fungus
C. Bacterium
D. Protozoan
Answer: A
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What is the value of transitional epithelium in the urinary system?
A. It allows distension. B. Its cilia help propel the urine. C. It can contract to produce peristalsis. D. It provides cushioning. E. It protects against trauma.
The surge of sex hormones that accompanies puberty has a wide range of effects on the body. One of those effects is to enhance the activity of the sebaceous glands, increasing the production of sebum
Which of the following is the most likely to result from the increased sebaceous activity? A) Increased hair growth. B) Decreased vitamin D synthesis. C) Increased cooling of the skin. D) Increased oily appearance and more acne.
The joint between a tooth and the mandibular alveolus is an example of a ________.
A. gomphosis B. syndesmosis C. synostosis D. suture E. symphysis
On-center ganglion cells _____________ their spike frequency when the center of their receptive field is stimulated by light
a. increase b. decrease c. do not change